alsa-2026:20611
Vulnerability from osv_almalinux
Published
2026-05-26 00:00
Modified
2026-05-27 11:27
Summary
Important: gnutls security update
Details

Please update the gnutls packages to provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS.

Security Fix(es):

  • gnutls: Add more checks to DTLS reassembly (CVE-2026-33846)
  • gnutls: Fix qsort comparator in DTLS reassembly (CVE-2026-42009)
  • gnutls: Fix crashing on an underflow with a DTLS datagram (CVE-2026-33845)
  • gnutls: Fix RSA-PSK identity truncation (CVE-2026-42010)
  • gnutls: Fix case-sensitivity of domain name comparison in name constraints (CVE-2026-3833)
  • gnutls: Fix intersecting empty constraints (CVE-2026-42011)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "gnutls"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.6.16-8.el8_10.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "gnutls-c++"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.6.16-8.el8_10.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "gnutls-dane"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.6.16-8.el8_10.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "gnutls-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.6.16-8.el8_10.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "gnutls-utils"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.6.16-8.el8_10.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Please update the gnutls packages to provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS.  \n\nSecurity Fix(es):  \n\n  * gnutls: Add more checks to DTLS reassembly (CVE-2026-33846)\n  * gnutls: Fix qsort comparator in DTLS reassembly (CVE-2026-42009)\n  * gnutls: Fix crashing on an underflow with a DTLS datagram (CVE-2026-33845)\n  * gnutls: Fix RSA-PSK identity truncation (CVE-2026-42010)\n  * gnutls: Fix case-sensitivity of domain name comparison in name constraints (CVE-2026-3833)\n  * gnutls: Fix intersecting empty constraints (CVE-2026-42011)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
  "id": "ALSA-2026:20611",
  "modified": "2026-05-27T11:27:44Z",
  "published": "2026-05-26T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:20611"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-33845"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-33846"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-3833"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-42009"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-42010"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-42011"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-42012"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-42013"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-42014"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-42015"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-5260"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2445763"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450624"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2450625"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2467279"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2467289"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2467437"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2026-20611.html"
    }
  ],
  "related": [
    "CVE-2026-33846",
    "CVE-2026-42009",
    "CVE-2026-33845",
    "CVE-2026-42010",
    "CVE-2026-3833",
    "CVE-2026-42011"
  ],
  "summary": "Important: gnutls security update"
}


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