CVE-2024-31949

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-04-07 · updated 2026-06-17
Weakness: CWE-835

Description

In FRRouting (FRR) through 9.1, an infinite loop can occur when receiving a MP/GR capability as a dynamic capability because malformed data results in a pointer not advancing.

Affected products

FRRouting: through 9.1

References

https://github.com/FRRouting/frr/pull/15640
https://github.com/FRRouting/frr/pull/15640/commits/30a332dad86fafd2b0b6c61d23de59ed969a219b
https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
https://github.com/FRRouting/frr/pull/15640
https://github.com/FRRouting/frr/pull/15640/commits/30a332dad86fafd2b0b6c61d23de59ed969a219b
https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
https://lists.debian.org/debian-lts-announce/2024/09/msg00007.html

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