ubuntu-cve-2024-26462
Vulnerability from osv_ubuntu
Published
2024-02-29 01:44
Modified
2026-04-22 07:48
Summary
Details

Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/kdc/ndr.c.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "krb5-admin-server",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "krb5-gss-samples",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "krb5-k5tls",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "krb5-kdc",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "krb5-kdc-ldap",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "krb5-kpropd",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "krb5-locales",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "krb5-multidev",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "krb5-otp",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "krb5-pkinit",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "krb5-user",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "libgssapi-krb5-2",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "libgssrpc4t64",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "libk5crypto3",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "libkadm5clnt-mit12",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "libkadm5srv-mit12",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "libkdb5-10t64",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "libkrad0",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "libkrb5-3",
            "binary_version": "1.20.1-6ubuntu2.5"
          },
          {
            "binary_name": "libkrb5support0",
            "binary_version": "1.20.1-6ubuntu2.5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "krb5",
        "purl": "pkg:deb/ubuntu/krb5@1.20.1-6ubuntu2.5?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.20.1-6ubuntu2.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.20.1-3ubuntu1",
        "1.20.1-5build1",
        "1.20.1-6ubuntu1",
        "1.20.1-6ubuntu2",
        "1.20.1-6ubuntu2.1",
        "1.20.1-6ubuntu2.2",
        "1.20.1-6ubuntu2.3",
        "1.20.1-6ubuntu2.4"
      ]
    }
  ],
  "aliases": [],
  "details": "Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/kdc/ndr.c.",
  "id": "UBUNTU-CVE-2024-26462",
  "modified": "2026-04-22T07:48:02Z",
  "published": "2024-02-29T01:44:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-26462"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/LuMingYinDetect/krb5_defects/blob/main/krb5_detect_3.md"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-26462"
    },
    {
      "type": "REPORT",
      "url": "https://mailman.mit.edu/pipermail/kerberos/2024-March/023095.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7314-1"
    }
  ],
  "related": [
    "USN-7314-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2024-26462"
  ]
}



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