# CVE-2024-26462: krb5-otp: Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/kdc/ndr.c.

CVE-2024-26462 is fixed in 35 products on 1 platform, first by DEBIAN-CVE-2024-26462, released February 29, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-26462
- Priority: High
- CVSS: 7.5 (Medium)
- EPSS: 0.0043
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 28, 2024

## Description

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

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | krb5 Debian 12.15 (bookworm) | 1.20.1-2+deb12u3 | [DEBIAN-CVE-2024-26462](https://patchblox.com/security/data/fix/linux/debian-cve-2024-26462.md) | Feb 29, 2024 |
| Linux | krb5 Debian 13.5 (trixie) | 1.21.3-1 | [DEBIAN-CVE-2024-26462](https://patchblox.com/security/data/fix/linux/debian-cve-2024-26462.md) | Feb 29, 2024 |
| Linux | krb5 Debian 14 | 1.21.3-1 | [DEBIAN-CVE-2024-26462](https://patchblox.com/security/data/fix/linux/debian-cve-2024-26462.md) | Feb 29, 2024 |
| Linux | krb5-admin-server Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [krb5-admin-server 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-krb5-admin-server-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | krb5-debuginfo amzn 2023 | 1.21-3.amzn2023.0.4 | [ALAS2023-2024-586](https://patchblox.com/security/data/fix/linux/alas2023-2024-586.md) | Apr 10, 2024 |
| Linux | krb5-debugsource amzn 2023 | 1.21-3.amzn2023.0.4 | [ALAS2023-2024-586](https://patchblox.com/security/data/fix/linux/alas2023-2024-586.md) | Apr 10, 2024 |
| Linux | krb5-devel RHEL 9 | 0:1.21.1-3.el9 | [RHSA-2024:9331](https://patchblox.com/security/data/fix/linux/rhsa-2024-9331.md) | Nov 12, 2024 |
| Linux | krb5-devel almalinux 9 | 1.21.1-3.el9 | [ALSA-2024:9331](https://patchblox.com/security/data/fix/linux/alsa-2024-9331.md) | Nov 12, 2024 |
| Linux | krb5-devel amzn 2023 | 1.21-3.amzn2023.0.4 | [ALAS2023-2024-586](https://patchblox.com/security/data/fix/linux/alas2023-2024-586.md) | Apr 10, 2024 |
| Linux | krb5-devel ol 9 | 0:1.21.1-3.0.1.el9 | [ELSA-2024-9331](https://patchblox.com/security/data/fix/linux/elsa-2024-9331.md) | Nov 14, 2024 |
| Linux | krb5-gss-samples Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [krb5-gss-samples 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-krb5-gss-samples-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | krb5-k5tls Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [krb5-k5tls 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-krb5-k5tls-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | krb5-kdc Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [krb5-kdc 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-krb5-kdc-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | krb5-kdc-ldap Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [krb5-kdc-ldap 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-krb5-kdc-ldap-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | krb5-kpropd Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [krb5-kpropd 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-krb5-kpropd-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | krb5-libs RHEL 9 | 0:1.21.1-3.el9 | [RHSA-2024:9331](https://patchblox.com/security/data/fix/linux/rhsa-2024-9331.md) | Nov 12, 2024 |
| Linux | krb5-libs almalinux 9 | 1.21.1-3.el9 | [ALSA-2024:9331](https://patchblox.com/security/data/fix/linux/alsa-2024-9331.md) | Nov 12, 2024 |
| Linux | krb5-libs amzn 2023 | 1.21-3.amzn2023.0.4 | [ALAS2023-2024-586](https://patchblox.com/security/data/fix/linux/alas2023-2024-586.md) | Apr 10, 2024 |
| Linux | krb5-libs ol 9 | 0:1.21.1-3.0.1.el9 | [ELSA-2024-9331](https://patchblox.com/security/data/fix/linux/elsa-2024-9331.md) | Nov 14, 2024 |
| Linux | krb5-libs-debuginfo amzn 2023 | 1.21-3.amzn2023.0.4 | [ALAS2023-2024-586](https://patchblox.com/security/data/fix/linux/alas2023-2024-586.md) | Apr 10, 2024 |
| Linux | krb5-locales Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [krb5-locales 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-krb5-locales-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | krb5-multidev Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [krb5-multidev 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-krb5-multidev-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | krb5-otp Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [krb5-otp 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-krb5-otp-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | krb5-pkinit RHEL 9 | 0:1.21.1-3.el9 | [RHSA-2024:9331](https://patchblox.com/security/data/fix/linux/rhsa-2024-9331.md) | Nov 12, 2024 |
| Linux | krb5-pkinit Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [krb5-pkinit 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-krb5-pkinit-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | krb5-pkinit almalinux 9 | 1.21.1-3.el9 | [ALSA-2024:9331](https://patchblox.com/security/data/fix/linux/alsa-2024-9331.md) | Nov 12, 2024 |
| Linux | krb5-pkinit amzn 2023 | 1.21-3.amzn2023.0.4 | [ALAS2023-2024-586](https://patchblox.com/security/data/fix/linux/alas2023-2024-586.md) | Apr 10, 2024 |
| Linux | krb5-pkinit ol 9 | 0:1.21.1-3.0.1.el9 | [ELSA-2024-9331](https://patchblox.com/security/data/fix/linux/elsa-2024-9331.md) | Nov 14, 2024 |
| Linux | krb5-pkinit-debuginfo amzn 2023 | 1.21-3.amzn2023.0.4 | [ALAS2023-2024-586](https://patchblox.com/security/data/fix/linux/alas2023-2024-586.md) | Apr 10, 2024 |
| Linux | krb5-server RHEL 9 | 0:1.21.1-3.el9 | [RHSA-2024:9331](https://patchblox.com/security/data/fix/linux/rhsa-2024-9331.md) | Nov 12, 2024 |
| Linux | krb5-server almalinux 9 | 1.21.1-3.el9 | [ALSA-2024:9331](https://patchblox.com/security/data/fix/linux/alsa-2024-9331.md) | Nov 12, 2024 |
| Linux | krb5-server amzn 2023 | 1.21-3.amzn2023.0.4 | [ALAS2023-2024-586](https://patchblox.com/security/data/fix/linux/alas2023-2024-586.md) | Apr 10, 2024 |
| Linux | krb5-server ol 9 | 0:1.21.1-3.0.1.el9 | [ELSA-2024-9331](https://patchblox.com/security/data/fix/linux/elsa-2024-9331.md) | Nov 14, 2024 |
| Linux | krb5-server-debuginfo amzn 2023 | 1.21-3.amzn2023.0.4 | [ALAS2023-2024-586](https://patchblox.com/security/data/fix/linux/alas2023-2024-586.md) | Apr 10, 2024 |
| Linux | krb5-server-ldap RHEL 9 | 0:1.21.1-3.el9 | [RHSA-2024:9331](https://patchblox.com/security/data/fix/linux/rhsa-2024-9331.md) | Nov 12, 2024 |
| Linux | krb5-server-ldap almalinux 9 | 1.21.1-3.el9 | [ALSA-2024:9331](https://patchblox.com/security/data/fix/linux/alsa-2024-9331.md) | Nov 12, 2024 |
| Linux | krb5-server-ldap amzn 2023 | 1.21-3.amzn2023.0.4 | [ALAS2023-2024-586](https://patchblox.com/security/data/fix/linux/alas2023-2024-586.md) | Apr 10, 2024 |
| Linux | krb5-server-ldap ol 9 | 0:1.21.1-3.0.1.el9 | [ELSA-2024-9331](https://patchblox.com/security/data/fix/linux/elsa-2024-9331.md) | Nov 14, 2024 |
| Linux | krb5-server-ldap-debuginfo amzn 2023 | 1.21-3.amzn2023.0.4 | [ALAS2023-2024-586](https://patchblox.com/security/data/fix/linux/alas2023-2024-586.md) | Apr 10, 2024 |
| Linux | krb5-user Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [krb5-user 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-krb5-user-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | krb5-workstation RHEL 9 | 0:1.21.1-3.el9 | [RHSA-2024:9331](https://patchblox.com/security/data/fix/linux/rhsa-2024-9331.md) | Nov 12, 2024 |
| Linux | krb5-workstation almalinux 9 | 1.21.1-3.el9 | [ALSA-2024:9331](https://patchblox.com/security/data/fix/linux/alsa-2024-9331.md) | Nov 12, 2024 |
| Linux | krb5-workstation amzn 2023 | 1.21-3.amzn2023.0.4 | [ALAS2023-2024-586](https://patchblox.com/security/data/fix/linux/alas2023-2024-586.md) | Apr 10, 2024 |
| Linux | krb5-workstation ol 9 | 0:1.21.1-3.0.1.el9 | [ELSA-2024-9331](https://patchblox.com/security/data/fix/linux/elsa-2024-9331.md) | Nov 14, 2024 |
| Linux | krb5-workstation-debuginfo amzn 2023 | 1.21-3.amzn2023.0.4 | [ALAS2023-2024-586](https://patchblox.com/security/data/fix/linux/alas2023-2024-586.md) | Apr 10, 2024 |
| Linux | libgssapi-krb5-2 Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [libgssapi-krb5-2 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libgssapi-krb5-2-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | libgssrpc4t64 Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [libgssrpc4t64 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libgssrpc4t64-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | libk5crypto3 Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [libk5crypto3 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libk5crypto3-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | libkadm5 RHEL 9 | 0:1.21.1-3.el9 | [RHSA-2024:9331](https://patchblox.com/security/data/fix/linux/rhsa-2024-9331.md) | Nov 12, 2024 |
| Linux | libkadm5 almalinux 9 | 1.21.1-3.el9 | [ALSA-2024:9331](https://patchblox.com/security/data/fix/linux/alsa-2024-9331.md) | Nov 12, 2024 |
| Linux | libkadm5 amzn 2023 | 1.21-3.amzn2023.0.4 | [ALAS2023-2024-586](https://patchblox.com/security/data/fix/linux/alas2023-2024-586.md) | Apr 10, 2024 |
| Linux | libkadm5 ol 9 | 0:1.21.1-3.0.1.el9 | [ELSA-2024-9331](https://patchblox.com/security/data/fix/linux/elsa-2024-9331.md) | Nov 14, 2024 |
| Linux | libkadm5-debuginfo amzn 2023 | 1.21-3.amzn2023.0.4 | [ALAS2023-2024-586](https://patchblox.com/security/data/fix/linux/alas2023-2024-586.md) | Apr 10, 2024 |
| Linux | libkadm5clnt-mit12 Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [libkadm5clnt-mit12 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libkadm5clnt-mit12-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | libkadm5srv-mit12 Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [libkadm5srv-mit12 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libkadm5srv-mit12-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | libkdb5-10t64 Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [libkdb5-10t64 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libkdb5-10t64-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | libkrad0 Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [libkrad0 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libkrad0-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | libkrb5-3 Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [libkrb5-3 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libkrb5-3-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |
| Linux | libkrb5support0 Ubuntu 24.04.5 LTS (noble) | 1.20.1-6ubuntu2.5 | [libkrb5support0 1.20.1-6ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libkrb5support0-1.20.1-6ubuntu2.5.md) | Jan 30, 2025 |

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