ubuntu-cve-2024-26461
Vulnerability from osv_ubuntu
Published
2024-02-29 01:44
Modified
2026-05-29 10:26
Summary
Details

Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.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)
low
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "krb5-admin-server",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          },
          {
            "binary_name": "krb5-gss-samples",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          },
          {
            "binary_name": "krb5-kdc",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          },
          {
            "binary_name": "krb5-kdc-ldap",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          },
          {
            "binary_name": "krb5-locales",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          },
          {
            "binary_name": "krb5-multidev",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          },
          {
            "binary_name": "krb5-otp",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          },
          {
            "binary_name": "krb5-pkinit",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          },
          {
            "binary_name": "krb5-user",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          },
          {
            "binary_name": "libgssapi-krb5-2",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          },
          {
            "binary_name": "libgssrpc4",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          },
          {
            "binary_name": "libk5crypto3",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          },
          {
            "binary_name": "libkadm5clnt-mit9",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          },
          {
            "binary_name": "libkadm5srv-mit8",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          },
          {
            "binary_name": "libkadm5srv-mit9",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          },
          {
            "binary_name": "libkdb5-7",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          },
          {
            "binary_name": "libkrad0",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          },
          {
            "binary_name": "libkrb5-3",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          },
          {
            "binary_name": "libkrb5support0",
            "binary_version": "1.12+dfsg-2ubuntu5.4+esm7"
          }
        ],
        "priority_reason": "memory leak only unlikely to be triggered"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "krb5",
        "purl": "pkg:deb/ubuntu/krb5@1.12+dfsg-2ubuntu5.4+esm7?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.10.1+dfsg-6.1ubuntu1",
        "1.11.3+dfsg-3ubuntu2",
        "1.12+dfsg-2ubuntu1",
        "1.12+dfsg-2ubuntu2",
        "1.12+dfsg-2ubuntu3",
        "1.12+dfsg-2ubuntu4",
        "1.12+dfsg-2ubuntu4.2",
        "1.12+dfsg-2ubuntu5",
        "1.12+dfsg-2ubuntu5.1",
        "1.12+dfsg-2ubuntu5.2",
        "1.12+dfsg-2ubuntu5.3",
        "1.12+dfsg-2ubuntu5.4",
        "1.12+dfsg-2ubuntu5.4+esm1",
        "1.12+dfsg-2ubuntu5.4+esm2",
        "1.12+dfsg-2ubuntu5.4+esm3",
        "1.12+dfsg-2ubuntu5.4+esm4",
        "1.12+dfsg-2ubuntu5.4+esm5",
        "1.12+dfsg-2ubuntu5.4+esm6",
        "1.12+dfsg-2ubuntu5.4+esm7"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "krb5-admin-server",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          },
          {
            "binary_name": "krb5-gss-samples",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          },
          {
            "binary_name": "krb5-k5tls",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          },
          {
            "binary_name": "krb5-kdc",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          },
          {
            "binary_name": "krb5-kdc-ldap",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          },
          {
            "binary_name": "krb5-locales",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          },
          {
            "binary_name": "krb5-multidev",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          },
          {
            "binary_name": "krb5-otp",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          },
          {
            "binary_name": "krb5-pkinit",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          },
          {
            "binary_name": "krb5-user",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          },
          {
            "binary_name": "libgssapi-krb5-2",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          },
          {
            "binary_name": "libgssrpc4",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          },
          {
            "binary_name": "libk5crypto3",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          },
          {
            "binary_name": "libkadm5clnt-mit9",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          },
          {
            "binary_name": "libkadm5srv-mit9",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          },
          {
            "binary_name": "libkdb5-8",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          },
          {
            "binary_name": "libkrad0",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          },
          {
            "binary_name": "libkrb5-3",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          },
          {
            "binary_name": "libkrb5support0",
            "binary_version": "1.13.2+dfsg-5ubuntu2.2+esm7"
          }
        ],
        "priority_reason": "memory leak only unlikely to be triggered"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "krb5",
        "purl": "pkg:deb/ubuntu/krb5@1.13.2+dfsg-5ubuntu2.2+esm7?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.13.2+dfsg-2",
        "1.13.2+dfsg-3",
        "1.13.2+dfsg-4",
        "1.13.2+dfsg-5",
        "1.13.2+dfsg-5ubuntu1",
        "1.13.2+dfsg-5ubuntu2",
        "1.13.2+dfsg-5ubuntu2.1",
        "1.13.2+dfsg-5ubuntu2.1+esm1",
        "1.13.2+dfsg-5ubuntu2.2",
        "1.13.2+dfsg-5ubuntu2.2+esm1",
        "1.13.2+dfsg-5ubuntu2.2+esm2",
        "1.13.2+dfsg-5ubuntu2.2+esm3",
        "1.13.2+dfsg-5ubuntu2.2+esm4",
        "1.13.2+dfsg-5ubuntu2.2+esm5",
        "1.13.2+dfsg-5ubuntu2.2+esm6",
        "1.13.2+dfsg-5ubuntu2.2+esm7"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "krb5-admin-server",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "krb5-gss-samples",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "krb5-k5tls",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "krb5-kdc",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "krb5-kdc-ldap",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "krb5-kpropd",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "krb5-locales",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "krb5-multidev",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "krb5-otp",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "krb5-pkinit",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "krb5-user",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "libgssapi-krb5-2",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "libgssrpc4",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "libk5crypto3",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "libkadm5clnt-mit11",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "libkadm5srv-mit11",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "libkdb5-9",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "libkrad0",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "libkrb5-3",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          },
          {
            "binary_name": "libkrb5support0",
            "binary_version": "1.16-2ubuntu0.4+esm5"
          }
        ],
        "priority_reason": "memory leak only unlikely to be triggered"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "krb5",
        "purl": "pkg:deb/ubuntu/krb5@1.16-2ubuntu0.4+esm5?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.15.1-2",
        "1.16-2",
        "1.16-2build1",
        "1.16-2ubuntu0.1",
        "1.16-2ubuntu0.1+esm1",
        "1.16-2ubuntu0.2",
        "1.16-2ubuntu0.3",
        "1.16-2ubuntu0.4",
        "1.16-2ubuntu0.4+esm1",
        "1.16-2ubuntu0.4+esm2",
        "1.16-2ubuntu0.4+esm3",
        "1.16-2ubuntu0.4+esm5"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "krb5-admin-server",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "krb5-gss-samples",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "krb5-k5tls",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "krb5-kdc",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "krb5-kdc-ldap",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "krb5-kpropd",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "krb5-locales",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "krb5-multidev",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "krb5-otp",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "krb5-pkinit",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "krb5-user",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "libgssapi-krb5-2",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "libgssrpc4",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "libk5crypto3",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "libkadm5clnt-mit11",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "libkadm5srv-mit11",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "libkdb5-9",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "libkrad0",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "libkrb5-3",
            "binary_version": "1.17-6ubuntu4.9"
          },
          {
            "binary_name": "libkrb5support0",
            "binary_version": "1.17-6ubuntu4.9"
          }
        ],
        "priority_reason": "memory leak only unlikely to be triggered"
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "krb5",
        "purl": "pkg:deb/ubuntu/krb5@1.17-6ubuntu4.9?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.17-6ubuntu4.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.17-6",
        "1.17-6ubuntu3",
        "1.17-6ubuntu4",
        "1.17-6ubuntu4.1",
        "1.17-6ubuntu4.2",
        "1.17-6ubuntu4.3",
        "1.17-6ubuntu4.4",
        "1.17-6ubuntu4.6",
        "1.17-6ubuntu4.7",
        "1.17-6ubuntu4.8"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "krb5-admin-server",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "krb5-gss-samples",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "krb5-k5tls",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "krb5-kdc",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "krb5-kdc-ldap",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "krb5-kpropd",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "krb5-locales",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "krb5-multidev",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "krb5-otp",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "krb5-pkinit",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "krb5-user",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "libgssapi-krb5-2",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "libgssrpc4",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "libk5crypto3",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "libkadm5clnt-mit12",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "libkadm5srv-mit12",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "libkdb5-10",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "libkrad0",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "libkrb5-3",
            "binary_version": "1.19.2-2ubuntu0.6"
          },
          {
            "binary_name": "libkrb5support0",
            "binary_version": "1.19.2-2ubuntu0.6"
          }
        ],
        "priority_reason": "memory leak only unlikely to be triggered"
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "krb5",
        "purl": "pkg:deb/ubuntu/krb5@1.19.2-2ubuntu0.6?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.19.2-2ubuntu0.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.18.3-6",
        "1.18.3-7",
        "1.19.2-0ubuntu1",
        "1.19.2-1",
        "1.19.2-2",
        "1.19.2-2ubuntu0.1",
        "1.19.2-2ubuntu0.2",
        "1.19.2-2ubuntu0.3",
        "1.19.2-2ubuntu0.4",
        "1.19.2-2ubuntu0.5"
      ]
    },
    {
      "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"
          }
        ],
        "priority_reason": "memory leak only unlikely to be triggered"
      },
      "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"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "krb5-admin-server",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "krb5-gss-samples",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "krb5-k5tls",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "krb5-kdc",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "krb5-kdc-ldap",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "krb5-kpropd",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "krb5-locales",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "krb5-multidev",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "krb5-otp",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "krb5-pkinit",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "krb5-user",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "libgssapi-krb5-2",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "libgssrpc4t64",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "libk5crypto3",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "libkadm5clnt-mit12",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "libkadm5srv-mit12",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "libkdb5-10t64",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "libkrad0",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "libkrb5-3",
            "binary_version": "1.21.3-4ubuntu2"
          },
          {
            "binary_name": "libkrb5support0",
            "binary_version": "1.21.3-4ubuntu2"
          }
        ],
        "priority_reason": "memory leak only unlikely to be triggered"
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "krb5",
        "purl": "pkg:deb/ubuntu/krb5@1.21.3-4ubuntu2?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.21.3-4ubuntu2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [],
  "details": "Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c.",
  "id": "UBUNTU-CVE-2024-26461",
  "modified": "2026-05-29T10:26:58Z",
  "published": "2024-02-29T01:44:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-26461"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/LuMingYinDetect/krb5_defects/blob/main/krb5_detect_2.md"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-26461"
    },
    {
      "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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2024-26461"
  ]
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.