Vulnerability-Lookup

RHSA-2026:21433

Vulnerability from csaf_opensuse - Published: 2026-05-27 00:00 - Updated: 2026-09-16 18:19

Summary

security update for httpd

Severity

Important

Notes

Title of the patch: security update for httpd

Description of the patch: This security update provides a functional equivalent of RHSA-2026:21433. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHSA-2026:21433.

Patchnames: RHSA-2026:21433

CVE-2026-28780

6.5 (Medium)


                
                  CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

Affected products

Recommended 11 products

Product	Version	Remediation
Unresolved product id: SUSE Liberty Linux 10:httpd-2.4.63-13.el10_2.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 10:httpd-core-2.4.63-13.el10_2.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 10:httpd-devel-2.4.63-13.el10_2.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 10:httpd-filesystem-2.4.63-13.el10_2.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 10:httpd-manual-2.4.63-13.el10_2.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 10:httpd-tools-2.4.63-13.el10_2.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 10:mod_ldap-2.4.63-13.el10_2.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 10:mod_lua-2.4.63-13.el10_2.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 10:mod_proxy_html-1:2.4.63-13.el10_2.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 10:mod_session-2.4.63-13.el10_2.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 10:mod_ssl-1:2.4.63-13.el10_2.1.x86_64	—	Vendor Fix

Threats

Impact moderate

CVE-2026-33007

5.3 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

Recommended 11 products, the same list as for CVE-2026-28780

Threats

Impact moderate

CVE-2026-33857

5.3 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

Recommended 11 products, the same list as for CVE-2026-28780

Threats

Impact moderate

CVE-2026-34032

8.2 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Affected products

Recommended 11 products, the same list as for CVE-2026-28780

Threats

Impact important

CVE-2026-34059

8.2 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Affected products

Recommended 11 products, the same list as for CVE-2026-28780

Threats

Impact important

References

19 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/r…	self
https://lists.suse.com/pipermail/suse-liberty-lin…	self
https://lists.suse.com/pipermail/suse-liberty-lin…	self
https://www.suse.com/security/cve/CVE-2026-28780/	self
https://www.suse.com/security/cve/CVE-2026-33007/	self
https://www.suse.com/security/cve/CVE-2026-33857/	self
https://www.suse.com/security/cve/CVE-2026-34032/	self
https://www.suse.com/security/cve/CVE-2026-34059/	self
https://www.suse.com/security/cve/CVE-2026-28780	external
https://bugzilla.suse.com/1264163	external
https://www.suse.com/security/cve/CVE-2026-33007	external
https://bugzilla.suse.com/1263954	external
https://www.suse.com/security/cve/CVE-2026-33857	external
https://bugzilla.suse.com/1263952	external
https://www.suse.com/security/cve/CVE-2026-34032	external
https://bugzilla.suse.com/1263951	external
https://www.suse.com/security/cve/CVE-2026-34059	external
https://bugzilla.suse.com/1263950	external

JSON

To clipboard

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        {
          "category": "general",
          "text": "Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server.\nIf mod_proxy_ajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to mod_proxy_ajp and cause it to write 4 attacker controlled bytes after the end of a heap based buffer.\n\nThis issue affects Apache HTTP Server: through 2.4.66.\n\nUsers are recommended to upgrade to version 2.4.67, which fixes the issue.",
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            "SUSE Liberty Linux 10:httpd-devel-2.4.63-13.el10_2.1.x86_64",
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            "SUSE Liberty Linux 10:httpd-manual-2.4.63-13.el10_2.1.noarch",
            "SUSE Liberty Linux 10:httpd-tools-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_ldap-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_lua-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_proxy_html-1:2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_session-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_ssl-1:2.4.63-13.el10_2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Liberty Linux 10:httpd-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:httpd-core-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:httpd-devel-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:httpd-filesystem-2.4.63-13.el10_2.1.noarch",
            "SUSE Liberty Linux 10:httpd-manual-2.4.63-13.el10_2.1.noarch",
            "SUSE Liberty Linux 10:httpd-tools-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_ldap-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_lua-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_proxy_html-1:2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_session-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_ssl-1:2.4.63-13.el10_2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-05-27T00:00:00Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-28780"
    },
    {
      "cve": "CVE-2026-33007",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-33007"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A NULL pointer dereference in the mod_authn_socache in Apache HTTP Server 2.4.66 and earlier allows an unauthenticated remote user to crash a child process in a caching forward proxy configuration.\n\nUsers are recommended to upgrade to version 2.4.67, which fixes this issue.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Liberty Linux 10:httpd-2.4.63-13.el10_2.1.x86_64",
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          "SUSE Liberty Linux 10:httpd-devel-2.4.63-13.el10_2.1.x86_64",
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          "SUSE Liberty Linux 10:httpd-manual-2.4.63-13.el10_2.1.noarch",
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          "SUSE Liberty Linux 10:mod_ldap-2.4.63-13.el10_2.1.x86_64",
          "SUSE Liberty Linux 10:mod_lua-2.4.63-13.el10_2.1.x86_64",
          "SUSE Liberty Linux 10:mod_proxy_html-1:2.4.63-13.el10_2.1.x86_64",
          "SUSE Liberty Linux 10:mod_session-2.4.63-13.el10_2.1.x86_64",
          "SUSE Liberty Linux 10:mod_ssl-1:2.4.63-13.el10_2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-33007",
          "url": "https://www.suse.com/security/cve/CVE-2026-33007"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1263954 for CVE-2026-33007",
          "url": "https://bugzilla.suse.com/1263954"
        }
      ],
      "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:httpd-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:httpd-core-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:httpd-devel-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:httpd-filesystem-2.4.63-13.el10_2.1.noarch",
            "SUSE Liberty Linux 10:httpd-manual-2.4.63-13.el10_2.1.noarch",
            "SUSE Liberty Linux 10:httpd-tools-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_ldap-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_lua-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_proxy_html-1:2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_session-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_ssl-1:2.4.63-13.el10_2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Liberty Linux 10:httpd-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:httpd-core-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:httpd-devel-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:httpd-filesystem-2.4.63-13.el10_2.1.noarch",
            "SUSE Liberty Linux 10:httpd-manual-2.4.63-13.el10_2.1.noarch",
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            "SUSE Liberty Linux 10:mod_ldap-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_lua-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_proxy_html-1:2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_session-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_ssl-1:2.4.63-13.el10_2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-05-27T00:00:00Z",
          "details": "moderate"
        }
      ],
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    },
    {
      "cve": "CVE-2026-33857",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-33857"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Out-of-bounds Read vulnerability in mod_proxy_ajp of \n\nApache HTTP Server.\n\nThis issue affects Apache HTTP Server: through 2.4.66.\n\nUsers are recommended to upgrade to version 2.4.67, which fixes the issue.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "SUSE Liberty Linux 10:mod_proxy_html-1:2.4.63-13.el10_2.1.x86_64",
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      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-33857",
          "url": "https://www.suse.com/security/cve/CVE-2026-33857"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1263952 for CVE-2026-33857",
          "url": "https://bugzilla.suse.com/1263952"
        }
      ],
      "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:httpd-2.4.63-13.el10_2.1.x86_64",
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            "SUSE Liberty Linux 10:mod_ldap-2.4.63-13.el10_2.1.x86_64",
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            "SUSE Liberty Linux 10:mod_proxy_html-1:2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_session-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_ssl-1:2.4.63-13.el10_2.1.x86_64"
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      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
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          "category": "impact",
          "date": "2026-05-27T00:00:00Z",
          "details": "moderate"
        }
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      "title": "CVE-2026-33857"
    },
    {
      "cve": "CVE-2026-34032",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-34032"
        }
      ],
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        {
          "category": "general",
          "text": "Improper Null Termination, Out-of-bounds Read vulnerability in Apache HTTP Server.\n\nThis issue affects Apache HTTP Server: through 2.4.66.\n\nUsers are recommended to upgrade to version 2.4.67, which fixes the issue.",
          "title": "CVE description"
        }
      ],
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          "SUSE Liberty Linux 10:mod_proxy_html-1:2.4.63-13.el10_2.1.x86_64",
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          "SUSE Liberty Linux 10:mod_ssl-1:2.4.63-13.el10_2.1.x86_64"
        ]
      },
      "references": [
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          "category": "external",
          "summary": "CVE-2026-34032",
          "url": "https://www.suse.com/security/cve/CVE-2026-34032"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1263951 for CVE-2026-34032",
          "url": "https://bugzilla.suse.com/1263951"
        }
      ],
      "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": [
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            "SUSE Liberty Linux 10:mod_proxy_html-1:2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_session-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_ssl-1:2.4.63-13.el10_2.1.x86_64"
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      "scores": [
        {
          "cvss_v3": {
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
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            "SUSE Liberty Linux 10:mod_proxy_html-1:2.4.63-13.el10_2.1.x86_64",
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          "date": "2026-05-27T00:00:00Z",
          "details": "important"
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    },
    {
      "cve": "CVE-2026-34059",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-34059"
        }
      ],
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        {
          "category": "general",
          "text": "Buffer Over-read vulnerability in Apache HTTP Server.\n\nThis issue affects Apache HTTP Server: through 2.4.66.\n\nUsers are recommended to upgrade to version 2.4.67, which fixes the issue.",
          "title": "CVE description"
        }
      ],
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          "SUSE Liberty Linux 10:mod_proxy_html-1:2.4.63-13.el10_2.1.x86_64",
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          "SUSE Liberty Linux 10:mod_ssl-1:2.4.63-13.el10_2.1.x86_64"
        ]
      },
      "references": [
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          "category": "external",
          "summary": "CVE-2026-34059",
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        },
        {
          "category": "external",
          "summary": "SUSE Bug 1263950 for CVE-2026-34059",
          "url": "https://bugzilla.suse.com/1263950"
        }
      ],
      "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": [
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            "SUSE Liberty Linux 10:mod_proxy_html-1:2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_session-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_ssl-1:2.4.63-13.el10_2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
            "version": "3.1"
          },
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            "SUSE Liberty Linux 10:httpd-manual-2.4.63-13.el10_2.1.noarch",
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            "SUSE Liberty Linux 10:mod_lua-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_proxy_html-1:2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_session-2.4.63-13.el10_2.1.x86_64",
            "SUSE Liberty Linux 10:mod_ssl-1:2.4.63-13.el10_2.1.x86_64"
          ]
        }
      ],
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        {
          "category": "impact",
          "date": "2026-05-27T00:00:00Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-34059"
    }
  ]
}

CVE-2026-28780 (GCVE-0-2026-28780)

Vulnerability from cvelistv5 – Published: 2026-05-05 21:29 – Updated: 2026-09-14 12:04

Title

Apache HTTP Server: buffer overflow in mod_proxy_ajp via ajp_msg_check_header()

Summary

Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server. If mod_proxy_ajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to mod_proxy_ajp and cause it to write 4 attacker controlled bytes after the end of a heap based buffer. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-06 15:49 UTC

CWE

CWE-122 - Heap-based Buffer Overflow
CWE-787 - Out-of-bounds Write

Assigner

apache mitre root

References

17 references

URL	Tags
https://httpd.apache.org/security/vulnerabilities…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/05/05/9
https://access.redhat.com/security/cve/CVE-2026-28780	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2466913	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:27200	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:47046	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:21433	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:22140	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36846	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36831	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36373	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:67152	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:66323	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:62165	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:21391	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:27201	vendor-advisoryx_refsource_REDHAT

Impacted products

18 products

Vendor	Product	Version
Apache Software Foundation	Apache HTTP Server	Affected: 0 , ≤ 2.4.66 (semver)
Red Hat	JBoss Core Services for RHEL 8	Unaffected: 0:2.4.62-13.el8jbcs , < * (rpm) cpe:/a:redhat:jboss_core_services:1::el8
Red Hat	JBoss Core Services on RHEL 7	Unaffected: 0:2.4.62-13.el7jbcs , < * (rpm) cpe:/a:redhat:jboss_core_services:1::el7
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:2.4.63-13.el10_2.1 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 0:2.4.63-1.el10_0.4 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 8100020260519200905.489197e6 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	Unaffected: 8040020260702193120.522a0ee4 , < * (rpm) cpe:/a:redhat:rhel_aus:8.4
Red Hat	Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On	Unaffected: 8040020260702193120.522a0ee4 , < * (rpm) cpe:/a:redhat:rhel_eus_long_life:8.4
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support	Unaffected: 8060020260702195216.ad008a3a , < * (rpm) cpe:/a:redhat:rhel_aus:8.6
Red Hat	Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On	Unaffected: 8060020260702195216.ad008a3a , < * (rpm) cpe:/a:redhat:rhel_eus_long_life:8.6
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service	Unaffected: 8080020260702200145.63b34585 , < * (rpm) cpe:/a:redhat:rhel_tus:8.8
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions	Unaffected: 8080020260702200145.63b34585 , < * (rpm) cpe:/a:redhat:rhel_e4s:8.8
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:2.4.62-13.el9_8.1 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions	Unaffected: 0:2.4.57-11.el9_4.5 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.4
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:2.4.62-4.el9_6.6 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6
Red Hat	Red Hat JBoss Core Services 2.4.62.SP4	cpe:/a:redhat:jboss_core_services:1
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7

Credits

Andrew Lacambra Elhanan Haenel Tianshuo Han (<hantianshuo233@gmail.com>) Tristan Madani

Show details on NVD website

JSON

To clipboard

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CVE-2026-33007 (GCVE-0-2026-33007)

Vulnerability from cvelistv5 – Published: 2026-05-04 14:41 – Updated: 2026-05-05 15:07

Title

Apache HTTP Server: mod_authn_socache crash

Summary

A NULL pointer dereference in the mod_authn_socache in Apache HTTP Server 2.4.66 and earlier allows an unauthenticated remote user to crash a child process in a caching forward proxy configuration. Users are recommended to upgrade to version 2.4.67, which fixes this issue.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-04 15:13 UTC

CWE

CWE-476 - NULL Pointer Dereference

Assigner

apache mitre root

References

2 references

URL	Tags
https://httpd.apache.org/security/vulnerabilities…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache HTTP Server	Affected: 2.4.0 , ≤ 2.4.66 (semver)

Credits

Pavel Kohout, Aisle Research, Aisle.com Arkadi Vainbrand

Show details on NVD website

JSON

To clipboard

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CVE-2026-33857 (GCVE-0-2026-33857)

Vulnerability from cvelistv5 – Published: 2026-05-04 13:07 – Updated: 2026-05-04 17:32

Title

Apache HTTP Server: Off-by-one OOB reads in AJP getter functions

Summary

Out-of-bounds Read vulnerability in mod_proxy_ajp of Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-04 13:58 UTC

CWE

CWE-125 - Out-of-bounds Read

Assigner

apache mitre root

References

2 references

URL	Tags
https://httpd.apache.org/security/vulnerabilities…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache HTTP Server	Affected: 0 , ≤ 2.4.66 (semver)

Credits

Elhanan Haenel

Show details on NVD website

JSON

To clipboard

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CVE-2026-34032 (GCVE-0-2026-34032)

Vulnerability from cvelistv5 – Published: 2026-05-04 12:54 – Updated: 2026-05-04 17:32

Title

Apache HTTP Server: mod_proxy_ajp: Heap Buffer Over-Read Due to Missing Null-Termination Check (ajp_msg_get_string)

Summary

Improper Null Termination, Out-of-bounds Read vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-04 14:05 UTC

CWE

CWE-170 - Improper Null Termination
CWE-125 - Out-of-bounds Read

Assigner

apache mitre root

References

2 references

URL	Tags
https://httpd.apache.org/security/vulnerabilities…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache HTTP Server	Affected: 0 , ≤ 2.4.66 (semver)

Credits

Tianshuo Han (<hantianshuo233@gmail.com>) Jérôme Djouder

Show details on NVD website

JSON

To clipboard

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CVE-2026-34059 (GCVE-0-2026-34059)

Vulnerability from cvelistv5 – Published: 2026-05-04 12:39 – Updated: 2026-05-04 17:32

Title

Apache HTTP Server: mod_proxy_ajp: Heap Over-Read and memory disclosure in ajp_parse_data()

Summary

Buffer Over-read vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-04 14:10 UTC

CWE

CWE-126 - Buffer Over-read

Assigner

apache mitre root

References

2 references

URL	Tags
https://httpd.apache.org/security/vulnerabilities…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache HTTP Server	Affected: 0 , ≤ 2.4.66 (semver)

Credits

Elhanan Haenel

Show details on NVD website

JSON

To clipboard

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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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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CVE-2026-34059 (GCVE-0-2026-34059)

Tags

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Nomenclature

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