CVE-2024-5564Libndp: buffer overflow in route information length field

Description

A vulnerability was found in libndp. This flaw allows a local malicious user to cause a buffer overflow in NetworkManager, triggered by sending a malformed IPv6 router advertisement packet. This issue occurred as libndp was not correctly validating the route length information.

Timeline

Scores

EPSS (exploitation in 30 days)

1.2% · top 32% of all CVEs (14 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.

Affected products

• libndp

  • affected 1.0 – < 1.7-7

• Red Hat · Red Hat Enterprise Linux 10

  • unaffected 0:1.9-2.el10 – < *

• Red Hat · Red Hat Enterprise Linux 7 Extended Lifecycle Support

  • unaffected 0:1.2-10.el7_9 – < *

• Red Hat · Red Hat Enterprise Linux 8

  • unaffected 0:1.7-7.el8_10 – < *

• Red Hat · Red Hat Enterprise Linux 8.2 Advanced Update Support

  • unaffected 0:1.7-4.el8_2 – < *

• Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support

  • unaffected 0:1.7-6.el8_4 – < *

• Red Hat · Red Hat Enterprise Linux 8.4 Telecommunications Update Service

  • unaffected 0:1.7-6.el8_4 – < *

• Red Hat · Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions

  • unaffected 0:1.7-6.el8_4 – < *

• Red Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support

  • unaffected 0:1.7-7.el8_6 – < *

• Red Hat · Red Hat Enterprise Linux 8.6 Telecommunications Update Service

  • unaffected 0:1.7-7.el8_6 – < *

• Red Hat · Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions

  • unaffected 0:1.7-7.el8_6 – < *

• Red Hat · Red Hat Enterprise Linux 8.8 Extended Update Support

  • unaffected 0:1.7-7.el8_8 – < *

• Red Hat · Red Hat Enterprise Linux 9

  • unaffected 0:1.8-6.el9_4 – < *

• Red Hat · Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

  • unaffected 0:1.8-5.el9_0 – < *

• Red Hat · Red Hat Enterprise Linux 9.2 Extended Update Support

  • unaffected 0:1.8-5.el9_2 – < *

What to do

Workaround: Currently there is no mitigation available for this vulnerability. Please make sure to update as the fixes become available.

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• EUVD EUVD-2024-47152 (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2024-5564](https://cveledger.app/badge/CVE-2024-5564.svg)](https://cveledger.app/cve/CVE-2024-5564)

Record last updated 4 Nov 2026, 21:18 UTC.