# CVE-2024-5564: libndp: Libndp is a library (used by NetworkManager) that provides a wrapper for the IPv6 Neighbor Discovery Protocol CVE-2024-5564 is fixed in 3 products on 1 platform, first by libndp-tools 1.6-1ubuntu0.1~esm1, released May 31, 2024. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2024-5564 - Priority: High - CVSS: 8.1 (Important) - EPSS: 0.0117 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: May 31, 2024 ## Description Libndp is a library (used by NetworkManager) that provides a wrapper for the IPv6 Neighbor Discovery Protocol. It also provides a tool named ndptool for sending and receiving NDP messages. Security Fix(es): * libndp: buffer overflow in route information length field (CVE-2024-5564) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer the CVE page(s) listed in the References section. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | libndp Debian 11.6 (bullseye) | 1.6-1+deb11u1 | [DSA-5713-1](https://patchblox.com/security/data/fix/linux/dsa-5713-1.md) | Jun 16, 2024 | | Linux | libndp Debian 12.15 (bookworm) | 1.8-1+deb12u1 | [DSA-5713-1](https://patchblox.com/security/data/fix/linux/dsa-5713-1.md) | Jun 16, 2024 | | Linux | libndp Debian 13.5 (trixie) | 1.8-2 | [DEBIAN-CVE-2024-5564](https://patchblox.com/security/data/fix/linux/debian-cve-2024-5564.md) | May 31, 2024 | | Linux | libndp Debian 14 | 1.8-2 | [DEBIAN-CVE-2024-5564](https://patchblox.com/security/data/fix/linux/debian-cve-2024-5564.md) | May 31, 2024 | | Linux | libndp RHEL 8 | 0:1.7-7.el8_10 | [RHSA-2024:4620](https://patchblox.com/security/data/fix/linux/rhsa-2024-4620.md) | Jul 18, 2024 | | Linux | libndp RHEL 9 | 0:1.8-6.el9_4 | [RHSA-2024:4636](https://patchblox.com/security/data/fix/linux/rhsa-2024-4636.md) | Jul 18, 2024 | | Linux | libndp almalinux 8 | 1.7-7.el8_10.alma.1 | [ALSA-2024:4620](https://patchblox.com/security/data/fix/linux/alsa-2024-4620.md) | Jul 18, 2024 | | Linux | libndp almalinux 9 | 1.8-6.el9_4.alma.1 | [ALSA-2024:4636](https://patchblox.com/security/data/fix/linux/alsa-2024-4636.md) | Jul 18, 2024 | | Linux | libndp ol 10 | 0:1.9-2.el10 | [libndp 0:1.9-2.el10](https://patchblox.com/security/data/fix/linux/ol-10-libndp-0-1.9-2.el10.md) | Jun 9, 2025 | | Linux | libndp ol 8 | 0:1.7-7.el8_10 | [ELSA-2024-4620](https://patchblox.com/security/data/fix/linux/elsa-2024-4620.md) | Jul 18, 2024 | | Linux | libndp ol 9 | 0:1.8-6.el9_4 | [ELSA-2024-4636](https://patchblox.com/security/data/fix/linux/elsa-2024-4636.md) | Jul 18, 2024 | | Linux | libndp opensuse-leap 15.6 | 1.6-150000.3.3.1 | [SUSE-SU-2024:2283-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2283-1.md) | Jul 2, 2024 | | Linux | libndp rocky 8 | 0:1.7-7.el8_10 | [RLSA-2024:4620](https://patchblox.com/security/data/fix/linux/rlsa-2024-4620.md) | Jul 26, 2024 | | Linux | libndp rocky 9 | 0:1.8-6.el9_4 | [RLSA-2024:4636](https://patchblox.com/security/data/fix/linux/rlsa-2024-4636.md) | Jul 26, 2024 | | Linux | libndp sles 15.6 | 1.6-150000.3.3.1 | [SUSE-SU-2024:2283-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2283-1.md) | Jul 2, 2024 | | Linux | libndp-tools Ubuntu 18.04.6 LTS (bionic) | 1.6-1ubuntu0.1~esm1 | [libndp-tools 1.6-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libndp-tools-1.6-1ubuntu0.1-esm1.md) | May 31, 2024 | | Linux | libndp-tools Ubuntu 20.04 LTS (focal) | 1.7-0ubuntu1.1 | [libndp-tools 1.7-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libndp-tools-1.7-0ubuntu1.1.md) | May 31, 2024 | | Linux | libndp-tools Ubuntu 22.04.1 LTS (jammy) | 1.8-0ubuntu3.1 | [libndp-tools 1.8-0ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libndp-tools-1.8-0ubuntu3.1.md) | May 31, 2024 | | Linux | libndp-tools Ubuntu 24.04.5 LTS (noble) | 1.8-1fakesync1ubuntu0.24.04.1 | [libndp-tools 1.8-1fakesync1ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libndp-tools-1.8-1fakesync1ubuntu0.24.04.1.md) | May 31, 2024 | | Linux | libndp0 Ubuntu 18.04.6 LTS (bionic) | 1.6-1ubuntu0.1~esm1 | [libndp0 1.6-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libndp0-1.6-1ubuntu0.1-esm1.md) | May 31, 2024 | | Linux | libndp0 Ubuntu 20.04 LTS (focal) | 1.7-0ubuntu1.1 | [libndp0 1.7-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libndp0-1.7-0ubuntu1.1.md) | May 31, 2024 | | Linux | libndp0 Ubuntu 22.04.1 LTS (jammy) | 1.8-0ubuntu3.1 | [libndp0 1.8-0ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libndp0-1.8-0ubuntu3.1.md) | May 31, 2024 | | Linux | libndp0 Ubuntu 24.04.5 LTS (noble) | 1.8-1fakesync1ubuntu0.24.04.1 | [libndp0 1.8-1fakesync1ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libndp0-1.8-1fakesync1ubuntu0.24.04.1.md) | May 31, 2024 | --- Data as of 2026-11-08T06:59:42Z UTC. 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