USN-6541-2

Vulnerability from osv_ubuntu – Published: 2024-01-10 13:10 – Updated: 2026-04-22 07:37 – Source website
VLAI
Summary
glibc regression
Details

USN-6541-1 fixed vulnerabilities in the GNU C Library. Unfortunately, changes made to allow proper application of the fix for CVE-2023-4806 in Ubuntu 22.04 LTS introduced an issue in the NSCD service IPv6 processing functionalities. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that the GNU C Library was not properly handling certain memory operations. An attacker could possibly use this issue to cause a denial of service (application crash). (CVE-2023-4806, CVE-2023-4813)

It was discovered that the GNU C library was not properly implementing a fix for CVE-2023-4806 in certain cases, which could lead to a memory leak. An attacker could possibly use this issue to cause a denial of service (application crash). This issue only affected Ubuntu 22.04 LTS and Ubuntu 23.04. (CVE-2023-5156)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "glibc-source",
            "binary_version": "2.35-0ubuntu3.6"
          },
          {
            "binary_name": "libc-bin",
            "binary_version": "2.35-0ubuntu3.6"
          },
          {
            "binary_name": "libc-dev-bin",
            "binary_version": "2.35-0ubuntu3.6"
          },
          {
            "binary_name": "libc-devtools",
            "binary_version": "2.35-0ubuntu3.6"
          },
          {
            "binary_name": "libc6",
            "binary_version": "2.35-0ubuntu3.6"
          },
          {
            "binary_name": "libc6-amd64",
            "binary_version": "2.35-0ubuntu3.6"
          },
          {
            "binary_name": "libc6-dev-amd64",
            "binary_version": "2.35-0ubuntu3.6"
          },
          {
            "binary_name": "libc6-dev-i386",
            "binary_version": "2.35-0ubuntu3.6"
          },
          {
            "binary_name": "libc6-dev-s390",
            "binary_version": "2.35-0ubuntu3.6"
          },
          {
            "binary_name": "libc6-dev-x32",
            "binary_version": "2.35-0ubuntu3.6"
          },
          {
            "binary_name": "libc6-i386",
            "binary_version": "2.35-0ubuntu3.6"
          },
          {
            "binary_name": "libc6-prof",
            "binary_version": "2.35-0ubuntu3.6"
          },
          {
            "binary_name": "libc6-s390",
            "binary_version": "2.35-0ubuntu3.6"
          },
          {
            "binary_name": "libc6-x32",
            "binary_version": "2.35-0ubuntu3.6"
          },
          {
            "binary_name": "locales",
            "binary_version": "2.35-0ubuntu3.6"
          },
          {
            "binary_name": "locales-all",
            "binary_version": "2.35-0ubuntu3.6"
          },
          {
            "binary_name": "nscd",
            "binary_version": "2.35-0ubuntu3.6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "glibc",
        "purl": "pkg:deb/ubuntu/glibc@2.35-0ubuntu3.6?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.35-0ubuntu3.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.34-0ubuntu3",
        "2.35-0ubuntu1",
        "2.35-0ubuntu3",
        "2.35-0ubuntu3.1",
        "2.35-0ubuntu3.3",
        "2.35-0ubuntu3.4",
        "2.35-0ubuntu3.5"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-6541-1 fixed vulnerabilities in the GNU C Library. Unfortunately,\nchanges made to allow proper application of the fix for CVE-2023-4806 in\nUbuntu 22.04 LTS introduced an issue in the NSCD service IPv6 processing\nfunctionalities. This update fixes the problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n It was discovered that the GNU C Library was not properly handling certain\n memory operations. An attacker could possibly use this issue to cause a\n denial of service (application crash). (CVE-2023-4806, CVE-2023-4813)\n \n It was discovered that the GNU C library was not properly implementing a\n fix for CVE-2023-4806 in certain cases, which could lead to a memory leak.\n An attacker could possibly use this issue to cause a denial of service\n (application crash). This issue only affected Ubuntu 22.04 LTS and Ubuntu\n 23.04. (CVE-2023-5156)\n",
  "id": "USN-6541-2",
  "modified": "2026-04-22T07:37:07Z",
  "published": "2024-01-10T13:10:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6541-2"
    },
    {
      "type": "REPORT",
      "url": "https://launchpad.net/bugs/2047155"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "glibc regression",
  "upstream": []
}



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