RHSA-2026:79371

Vulnerability from csaf_opensuse - Published: 2026-10-08 00:00 - Updated: 2026-10-10 08:39
Summary
security update for dovecot
Severity
Important
Notes
Title of the patch: security update for dovecot
Description of the patch: This security update provides a functional equivalent of RHSA-2026:79371. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHSA-2026:79371.
Patchnames: RHSA-2026:79371
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2026-27852
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2026-33263
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Affected products
Recommended 5 products, the same list as for CVE-2026-27852
Threats
Impact moderate
CVE-2026-33605
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 5 products, the same list as for CVE-2026-27852
Threats
Impact important
CVE-2026-40018
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
Recommended 5 products, the same list as for CVE-2026-27852
Threats
Impact important
CVE-2026-40019
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 5 products, the same list as for CVE-2026-27852
Threats
Impact moderate
CVE-2026-42007
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H
Affected products
Recommended 5 products, the same list as for CVE-2026-27852
Threats
Impact critical
CVE-2026-42391
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 5 products, the same list as for CVE-2026-27852
Threats
Impact important
CVE-2026-73208
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
Recommended 5 products, the same list as for CVE-2026-27852
Threats
Impact important
References
URL Category
https://www.suse.com/support/security/rating/ external
https://ftp.suse.com/pub/projects/security/csaf/r… self
https://www.suse.com/security/cve/CVE-2026-27852/ self
https://www.suse.com/security/cve/CVE-2026-33263/ self
https://www.suse.com/security/cve/CVE-2026-33605/ self
https://www.suse.com/security/cve/CVE-2026-40018/ self
https://www.suse.com/security/cve/CVE-2026-40019/ self
https://www.suse.com/security/cve/CVE-2026-42007/ self
https://www.suse.com/security/cve/CVE-2026-42391/ self
https://www.suse.com/security/cve/CVE-2026-73208/ self
https://www.suse.com/security/cve/CVE-2026-27852 external
https://bugzilla.suse.com/1276792 external
https://bugzilla.suse.com/1276799 external
https://www.suse.com/security/cve/CVE-2026-33263 external
https://bugzilla.suse.com/1276792 external
https://bugzilla.suse.com/1276794 external
https://www.suse.com/security/cve/CVE-2026-33605 external
https://bugzilla.suse.com/1276792 external
https://bugzilla.suse.com/1276809 external
https://www.suse.com/security/cve/CVE-2026-40018 external
https://bugzilla.suse.com/1276792 external
https://bugzilla.suse.com/1276810 external
https://www.suse.com/security/cve/CVE-2026-40019 external
https://bugzilla.suse.com/1276792 external
https://bugzilla.suse.com/1276811 external
https://www.suse.com/security/cve/CVE-2026-42007 external
https://bugzilla.suse.com/1276792 external
https://bugzilla.suse.com/1276817 external
https://www.suse.com/security/cve/CVE-2026-42391 external
https://bugzilla.suse.com/1276792 external
https://bugzilla.suse.com/1276835 external
https://www.suse.com/security/cve/CVE-2026-73208 external
https://bugzilla.suse.com/1276792 external
https://bugzilla.suse.com/1276830 external
To clipboard 

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          "text": "https://www.suse.com/security/cve/CVE-2026-27852"
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      ],
      "notes": [
        {
          "category": "general",
          "text": "An attacker that can send mail to a user can craft a message whose headers contain a very large number of email addresses or MIME parameters, which causes excessive memory usage when the message is later parsed. The message is still delivered, but reading it over IMAP can exhaust the memory limit of the process and terminate it, causing denial of service for the affected user. Update to non-vulnerable version. No publicly available exploits are known.",
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        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
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      ],
      "scores": [
        {
          "cvss_v3": {
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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            "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
          ]
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      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-10-08T00:00:00Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-27852"
    },
    {
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      "ids": [
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          "text": "https://www.suse.com/security/cve/CVE-2026-33263"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "When mail_max_userip_connections is set (default 10) and reached, submission-login can crash with epoll() panic caused by file descriptor handling issues. If running in high-security mode (default for community releases), only the new submission connection gets terminated. If running in high-performance mode (default for Pro releases), all connections handled by the submission-login process will be terminated. The crashes can cause failure for user to send a message, or it can cause duplicate messages to be sent. If TLS is not used (in the backend server processing the submission), duplicate deliveries cannot happen, because the crash can only happen at AUTH stage. Limit the number of connections handled by single submission-login process. This has a performance impact though. Update to non-vulnerable version. No publicly available exploits are known.",
          "title": "CVE description"
        }
      ],
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      "remediations": [
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            "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
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        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "products": [
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            "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-10-08T00:00:00Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-33263"
    },
    {
      "cve": "CVE-2026-33605",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-33605"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An unauthenticated attacker can crash the ManageSieve login process by sending a small malformed command before authenticating. If running in high-security mode (default for community releases), only the attacker\u0027s own connection is terminated. If running in high-performance mode (default for Pro releases), all connections handled by the same managesieve-login process are terminated. Repeating the attack can cause denial of service for Sieve script management. Restrict network access to the ManageSieve service to trusted clients. Update to non-vulnerable version. No publicly available exploits are known.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-33605",
          "url": "https://www.suse.com/security/cve/CVE-2026-33605"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1276792 for CVE-2026-33605",
          "url": "https://bugzilla.suse.com/1276792"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1276809 for CVE-2026-33605",
          "url": "https://bugzilla.suse.com/1276809"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-10-08T00:00:00Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-33605"
    },
    {
      "cve": "CVE-2026-40018",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-40018"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "None None None No publicly available exploits are known.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-40018",
          "url": "https://www.suse.com/security/cve/CVE-2026-40018"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1276792 for CVE-2026-40018",
          "url": "https://bugzilla.suse.com/1276792"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1276810 for CVE-2026-40018",
          "url": "https://bugzilla.suse.com/1276810"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-10-08T00:00:00Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-40018"
    },
    {
      "cve": "CVE-2026-40019",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-40019"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An unauthenticated attacker can send a truncated quoted argument to the ManageSieve login process, which makes it spin in an infinite loop consuming CPU. This can cause degradation or denial of service for Sieve script management, and repeated connections can consume all available CPU on the server. Monitor system for abnormal CPU usage and kill the offending process. Restrict network access to the ManageSieve service to trusted clients. Update to non-vulnerable version. No publicly available exploits are known.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-40019",
          "url": "https://www.suse.com/security/cve/CVE-2026-40019"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1276792 for CVE-2026-40019",
          "url": "https://bugzilla.suse.com/1276792"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1276811 for CVE-2026-40019",
          "url": "https://bugzilla.suse.com/1276811"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-10-08T00:00:00Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-40019"
    },
    {
      "cve": "CVE-2026-42007",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-42007"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An attacker that has valid credentials can use a Sieve script with the editheader extension to trigger a use-after-free in the mail editing code, and to write memory contents beyond the intended buffer into the delivered mail. This causes memory leak and opportunity to do memory corruption during mail delivery, which can crash the delivery process and may allow execution of arbitrary code in the context of that process. Disable the Sieve editheader extension. Update to non-vulnerable version. No publicly available exploits are known.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-42007",
          "url": "https://www.suse.com/security/cve/CVE-2026-42007"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1276792 for CVE-2026-42007",
          "url": "https://bugzilla.suse.com/1276792"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1276817 for CVE-2026-42007",
          "url": "https://bugzilla.suse.com/1276817"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-10-08T00:00:00Z",
          "details": "critical"
        }
      ],
      "title": "CVE-2026-42007"
    },
    {
      "cve": "CVE-2026-42391",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-42391"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An unauthenticated attacker can send an IMAP ID command with a very large number of parameters before logging in, which causes memory and CPU usage to grow disproportionately. The login process can be terminated by the out-of-memory handling, which also terminates all other connections handled by the same process. This can cause degradation or denial of service for IMAP logins. Limit the number of connections handled by a single imap-login process. This has a performance impact though. Update to non-vulnerable version. No publicly available exploits are known.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-42391",
          "url": "https://www.suse.com/security/cve/CVE-2026-42391"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1276792 for CVE-2026-42391",
          "url": "https://bugzilla.suse.com/1276792"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1276835 for CVE-2026-42391",
          "url": "https://bugzilla.suse.com/1276835"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-10-08T00:00:00Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-42391"
    },
    {
      "cve": "CVE-2026-73208",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-73208"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An attacker that holds a token intended for a different purpose can authenticate, because when an OAuth2 token response does not contain a scope claim, the audience claim is used in its place and checked against the configured required scopes. These are different concepts, and the audience claim does not describe what a token is allowed to do. A token that grants no relevant permissions can be accepted because its intended recipient value happens to match a configured scope name, granting access that should have been denied. It also hides an identity provider misconfiguration where scopes are not being issued at all. Ensure the identity provider issues a scope claim for all tokens used with Dovecot, and that configured scope names do not match audience values. Update to non-vulnerable version. No publicly available exploits are known.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
          "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-73208",
          "url": "https://www.suse.com/security/cve/CVE-2026-73208"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1276792 for CVE-2026-73208",
          "url": "https://bugzilla.suse.com/1276792"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1276830 for CVE-2026-73208",
          "url": "https://bugzilla.suse.com/1276830"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "SUSE Liberty Linux 10:dovecot-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-devel-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-mysql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pgsql-1:2.3.21-19.el10_2.8.x86_64",
            "SUSE Liberty Linux 10:dovecot-pigeonhole-1:2.3.21-19.el10_2.8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-10-08T00:00:00Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-73208"
    }
  ]
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.