usn-6541-1
Vulnerability from osv_ubuntu
Published
2023-12-07 16:24
Modified
2026-06-25 10:46
Summary
glibc vulnerabilities
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": [
            {
              "id": "CVE-2023-4806",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-4813",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "glibc-source",
            "binary_version": "2.23-0ubuntu11.3+esm5"
          },
          {
            "binary_name": "libc-bin",
            "binary_version": "2.23-0ubuntu11.3+esm5"
          },
          {
            "binary_name": "libc-dev-bin",
            "binary_version": "2.23-0ubuntu11.3+esm5"
          },
          {
            "binary_name": "libc6",
            "binary_version": "2.23-0ubuntu11.3+esm5"
          },
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            "binary_name": "libc6-amd64",
            "binary_version": "2.23-0ubuntu11.3+esm5"
          },
          {
            "binary_name": "libc6-armel",
            "binary_version": "2.23-0ubuntu11.3+esm5"
          },
          {
            "binary_name": "libc6-dev-amd64",
            "binary_version": "2.23-0ubuntu11.3+esm5"
          },
          {
            "binary_name": "libc6-dev-armel",
            "binary_version": "2.23-0ubuntu11.3+esm5"
          },
          {
            "binary_name": "libc6-dev-i386",
            "binary_version": "2.23-0ubuntu11.3+esm5"
          },
          {
            "binary_name": "libc6-dev-s390",
            "binary_version": "2.23-0ubuntu11.3+esm5"
          },
          {
            "binary_name": "libc6-dev-x32",
            "binary_version": "2.23-0ubuntu11.3+esm5"
          },
          {
            "binary_name": "libc6-i386",
            "binary_version": "2.23-0ubuntu11.3+esm5"
          },
          {
            "binary_name": "libc6-pic",
            "binary_version": "2.23-0ubuntu11.3+esm5"
          },
          {
            "binary_name": "libc6-s390",
            "binary_version": "2.23-0ubuntu11.3+esm5"
          },
          {
            "binary_name": "libc6-x32",
            "binary_version": "2.23-0ubuntu11.3+esm5"
          },
          {
            "binary_name": "locales",
            "binary_version": "2.23-0ubuntu11.3+esm5"
          },
          {
            "binary_name": "locales-all",
            "binary_version": "2.23-0ubuntu11.3+esm5"
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            "binary_name": "multiarch-support",
            "binary_version": "2.23-0ubuntu11.3+esm5"
          },
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            "binary_name": "nscd",
            "binary_version": "2.23-0ubuntu11.3+esm5"
          }
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      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "glibc",
        "purl": "pkg:deb/ubuntu/glibc@2.23-0ubuntu11.3+esm5?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.23-0ubuntu11.3+esm5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.21-0ubuntu4",
        "2.21-0ubuntu5",
        "2.21-0ubuntu6",
        "2.23-0ubuntu1",
        "2.23-0ubuntu2",
        "2.23-0ubuntu3",
        "2.23-0ubuntu4",
        "2.23-0ubuntu5",
        "2.23-0ubuntu6",
        "2.23-0ubuntu7",
        "2.23-0ubuntu9",
        "2.23-0ubuntu10",
        "2.23-0ubuntu11",
        "2.23-0ubuntu11.2",
        "2.23-0ubuntu11.3",
        "2.23-0ubuntu11.3+esm1",
        "2.23-0ubuntu11.3+esm2",
        "2.23-0ubuntu11.3+esm3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-4806",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-4813",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "glibc-source",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "libc-bin",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "libc-dev-bin",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "libc6",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "libc6-amd64",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "libc6-armel",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "libc6-dev-amd64",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "libc6-dev-armel",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "libc6-dev-i386",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "libc6-dev-s390",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "libc6-dev-x32",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "libc6-i386",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "libc6-lse",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "libc6-pic",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "libc6-s390",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "libc6-x32",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "locales",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "locales-all",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "multiarch-support",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          },
          {
            "binary_name": "nscd",
            "binary_version": "2.27-3ubuntu1.6+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "glibc",
        "purl": "pkg:deb/ubuntu/glibc@2.27-3ubuntu1.6+esm1?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.27-3ubuntu1.6+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.26-0ubuntu2",
        "2.26-0ubuntu2.1",
        "2.27-0ubuntu2",
        "2.27-0ubuntu3",
        "2.27-3ubuntu1",
        "2.27-3ubuntu1.2",
        "2.27-3ubuntu1.3",
        "2.27-3ubuntu1.4",
        "2.27-3ubuntu1.5",
        "2.27-3ubuntu1.6"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-4806",
              "severity": [
                {
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                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-4813",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "glibc-source",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "libc-bin",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "libc-dev-bin",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "libc6",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "libc6-amd64",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "libc6-armel",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "libc6-dev-amd64",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "libc6-dev-armel",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "libc6-dev-i386",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "libc6-dev-s390",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "libc6-dev-x32",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "libc6-i386",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "libc6-lse",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "libc6-pic",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "libc6-prof",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "libc6-s390",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "libc6-x32",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "locales",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "locales-all",
            "binary_version": "2.31-0ubuntu9.14"
          },
          {
            "binary_name": "nscd",
            "binary_version": "2.31-0ubuntu9.14"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "glibc",
        "purl": "pkg:deb/ubuntu/glibc@2.31-0ubuntu9.14?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.31-0ubuntu9.14"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.30-0ubuntu2",
        "2.30-0ubuntu3",
        "2.31-0ubuntu5",
        "2.31-0ubuntu6",
        "2.31-0ubuntu7",
        "2.31-0ubuntu9",
        "2.31-0ubuntu9.1",
        "2.31-0ubuntu9.2",
        "2.31-0ubuntu9.3",
        "2.31-0ubuntu9.7",
        "2.31-0ubuntu9.9",
        "2.31-0ubuntu9.12"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-4806",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-4813",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2023-5156",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "glibc-source",
            "binary_version": "2.35-0ubuntu3.5"
          },
          {
            "binary_name": "libc-bin",
            "binary_version": "2.35-0ubuntu3.5"
          },
          {
            "binary_name": "libc-dev-bin",
            "binary_version": "2.35-0ubuntu3.5"
          },
          {
            "binary_name": "libc-devtools",
            "binary_version": "2.35-0ubuntu3.5"
          },
          {
            "binary_name": "libc6",
            "binary_version": "2.35-0ubuntu3.5"
          },
          {
            "binary_name": "libc6-amd64",
            "binary_version": "2.35-0ubuntu3.5"
          },
          {
            "binary_name": "libc6-dev-amd64",
            "binary_version": "2.35-0ubuntu3.5"
          },
          {
            "binary_name": "libc6-dev-i386",
            "binary_version": "2.35-0ubuntu3.5"
          },
          {
            "binary_name": "libc6-dev-s390",
            "binary_version": "2.35-0ubuntu3.5"
          },
          {
            "binary_name": "libc6-dev-x32",
            "binary_version": "2.35-0ubuntu3.5"
          },
          {
            "binary_name": "libc6-i386",
            "binary_version": "2.35-0ubuntu3.5"
          },
          {
            "binary_name": "libc6-prof",
            "binary_version": "2.35-0ubuntu3.5"
          },
          {
            "binary_name": "libc6-s390",
            "binary_version": "2.35-0ubuntu3.5"
          },
          {
            "binary_name": "libc6-x32",
            "binary_version": "2.35-0ubuntu3.5"
          },
          {
            "binary_name": "locales",
            "binary_version": "2.35-0ubuntu3.5"
          },
          {
            "binary_name": "locales-all",
            "binary_version": "2.35-0ubuntu3.5"
          },
          {
            "binary_name": "nscd",
            "binary_version": "2.35-0ubuntu3.5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "glibc",
        "purl": "pkg:deb/ubuntu/glibc@2.35-0ubuntu3.5?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.35-0ubuntu3.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.34-0ubuntu3",
        "2.35-0ubuntu1",
        "2.35-0ubuntu3",
        "2.35-0ubuntu3.1",
        "2.35-0ubuntu3.3",
        "2.35-0ubuntu3.4"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that the GNU C Library was not properly handling certain\nmemory operations. An attacker could possibly use this issue to cause a\ndenial of service (application crash). (CVE-2023-4806, CVE-2023-4813)\n\nIt was discovered that the GNU C library was not properly implementing a\nfix for CVE-2023-4806 in certain cases, which could lead to a memory leak.\nAn 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\n23.04. (CVE-2023-5156)\n",
  "id": "USN-6541-1",
  "modified": "2026-06-25T10:46:17Z",
  "published": "2023-12-07T16:24:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6541-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-4806"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-4813"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-5156"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "glibc vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2023-4806",
    "UBUNTU-CVE-2023-4813",
    "UBUNTU-CVE-2023-5156"
  ]
}



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