vuln-ubuntu/data/osv/usn/USN-4954-1.json

{
  "schema_version": "1.7.0",
  "id": "USN-4954-1",
  "summary": "glibc vulnerabilities",
  "details": "Jason Royes and Samuel Dytrych discovered that the memcpy()\nimplementation for 32 bit ARM processors in the GNU C Library contained\nan integer underflow vulnerability. An attacker could possibly use\nthis to cause a denial of service (application crash) or execute\narbitrary code. (CVE-2020-6096)\n\nIt was discovered that the POSIX regex implementation in the GNU C\nLibrary did not properly parse alternatives. An attacker could use this\nto cause a denial of service. (CVE-2009-5155)\n",
  "aliases": [],
  "upstream": [
    "UBUNTU-CVE-2009-5155",
    "UBUNTU-CVE-2020-6096"
  ],
  "related": [],
  "published": "2021-05-14T00:19:34Z",
  "modified": "2026-04-27T14:11:27Z",
  "affected": [
    {
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "glibc",
        "purl": "pkg:deb/ubuntu/glibc@2.23-0ubuntu11.3?arch=source&distro=xenial"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.23-0ubuntu11.3"
            }
          ]
        }
      ],
      "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"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "glibc-source",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "libc-bin",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "libc-dev-bin",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "libc6",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "libc6-amd64",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "libc6-armel",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "libc6-dev-amd64",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "libc6-dev-armel",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "libc6-dev-i386",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "libc6-dev-ppc64",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "libc6-dev-s390",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "libc6-dev-x32",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "libc6-i386",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "libc6-pic",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "libc6-ppc64",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "libc6-s390",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "libc6-x32",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "locales",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "locales-all",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "multiarch-support",
            "binary_version": "2.23-0ubuntu11.3"
          },
          {
            "binary_name": "nscd",
            "binary_version": "2.23-0ubuntu11.3"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:16.04:LTS",
          "cves": [
            {
              "id": "CVE-2009-5155",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "negligible"
                }
              ]
            },
            {
              "id": "CVE-2020-6096",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "low"
                }
              ]
            }
          ]
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4954-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2009-5155"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-6096"
    }
  ]
}