ubuntu-cve-2026-48829
Vulnerability from osv_ubuntu
Published
2026-05-24 04:16
Modified
2026-06-01 18:48
Summary
Details

In GNU SASL before 2.2.3, DIGEST-MD5 has a NULL pointer dereference affecting both clients and servers, via a known token with no accompanying = character. This occurs in lib/digest-md5/getsubopt.c.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gsasl",
            "binary_version": "1.8.0-2ubuntu2+esm1"
          },
          {
            "binary_name": "libgsasl7",
            "binary_version": "1.8.0-2ubuntu2+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "gsasl",
        "purl": "pkg:deb/ubuntu/gsasl@1.8.0-2ubuntu2+esm1?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.8.0-2ubuntu1",
        "1.8.0-2ubuntu2",
        "1.8.0-2ubuntu2+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gsasl",
            "binary_version": "1.8.0-8ubuntu2+esm1"
          },
          {
            "binary_name": "libgsasl7",
            "binary_version": "1.8.0-8ubuntu2+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "gsasl",
        "purl": "pkg:deb/ubuntu/gsasl@1.8.0-8ubuntu2+esm1?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.8.0-8ubuntu1",
        "1.8.0-8ubuntu2",
        "1.8.0-8ubuntu2+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gsasl",
            "binary_version": "1.8.0-8ubuntu3+esm2"
          },
          {
            "binary_name": "libgsasl7",
            "binary_version": "1.8.0-8ubuntu3+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "gsasl",
        "purl": "pkg:deb/ubuntu/gsasl@1.8.0-8ubuntu3+esm2?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.8.0-8ubuntu3",
        "1.8.0-8ubuntu3+esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gsasl",
            "binary_version": "1.8.1-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libgsasl7",
            "binary_version": "1.8.1-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "gsasl",
        "purl": "pkg:deb/ubuntu/gsasl@1.8.1-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.8.0-8ubuntu3",
        "1.8.1-1",
        "1.8.1-1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gsasl",
            "binary_version": "1.10.0-5ubuntu0.1~esm1"
          },
          {
            "binary_name": "gsasl-common",
            "binary_version": "1.10.0-5ubuntu0.1~esm1"
          },
          {
            "binary_name": "libgsasl7",
            "binary_version": "1.10.0-5ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:22.04:LTS",
        "name": "gsasl",
        "purl": "pkg:deb/ubuntu/gsasl@1.10.0-5ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.10.0-4",
        "1.10.0-5",
        "1.10.0-5ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "gsasl",
            "binary_version": "2.2.1-1willsync1ubuntu0.1"
          },
          {
            "binary_name": "gsasl-common",
            "binary_version": "2.2.1-1willsync1ubuntu0.1"
          },
          {
            "binary_name": "libgsasl18",
            "binary_version": "2.2.1-1willsync1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "gsasl",
        "purl": "pkg:deb/ubuntu/gsasl@2.2.1-1willsync1ubuntu0.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.1-1willsync1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.2.0-2ubuntu1",
        "2.2.0-2ubuntu2",
        "2.2.1-1ubuntu1",
        "2.2.1-1willsync1",
        "2.2.1-1willsync1build1",
        "2.2.1-1willsync1build2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "gsasl",
            "binary_version": "2.2.2-2ubuntu1.1"
          },
          {
            "binary_name": "gsasl-common",
            "binary_version": "2.2.2-2ubuntu1.1"
          },
          {
            "binary_name": "libgsasl18",
            "binary_version": "2.2.2-2ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "gsasl",
        "purl": "pkg:deb/ubuntu/gsasl@2.2.2-2ubuntu1.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.2-2ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.2.1-1willsync1ubuntu1",
        "2.2.2-2ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "gsasl",
            "binary_version": "2.2.2-4ubuntu1.1"
          },
          {
            "binary_name": "gsasl-common",
            "binary_version": "2.2.2-4ubuntu1.1"
          },
          {
            "binary_name": "libgsasl18",
            "binary_version": "2.2.2-4ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "gsasl",
        "purl": "pkg:deb/ubuntu/gsasl@2.2.2-4ubuntu1.1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.2-4ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.2.2-2ubuntu1",
        "2.2.2-4ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "In GNU SASL before 2.2.3, DIGEST-MD5 has a NULL pointer dereference affecting both clients and servers, via a known token with no accompanying = character. This occurs in lib/digest-md5/getsubopt.c.",
  "id": "UBUNTU-CVE-2026-48829",
  "modified": "2026-06-01T18:48:14Z",
  "published": "2026-05-24T04:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-48829"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-48829"
    },
    {
      "type": "REPORT",
      "url": "https://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00002.html"
    },
    {
      "type": "REPORT",
      "url": "https://lists.debian.org/debian-security-announce/2026/msg00182.html"
    },
    {
      "type": "REPORT",
      "url": "https://lists.gnu.org/archive/html/help-gsasl/2026-05/msg00000.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8356-1"
    }
  ],
  "related": [
    "USN-8356-1"
  ],
  "schema_version": "1.7.0",
  "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": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-48829"
  ]
}



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