What’s Vulnerable › Vulnerabilities

CVE-2023-38407

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-06 · updated 2026-06-17

Description

bgpd/bgp_label.c in FRRouting (FRR) before 8.5 attempts to read beyond the end of the stream during labeled unicast parsing.

Affected products

• FRRouting: before 8.5 — fixed in 8.5

How to fix

Upgrade to a fixed version: FRRouting 8.5. Check the vendor advisory for mitigations.

References

• https://github.com/FRRouting/frr/compare/frr-8.5-rc...frr-8.5
• https://github.com/FRRouting/frr/pull/12951
• https://github.com/FRRouting/frr/pull/12956
• https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
• https://github.com/FRRouting/frr/compare/frr-8.5-rc...frr-8.5
• https://github.com/FRRouting/frr/pull/12951
• https://github.com/FRRouting/frr/pull/12956
• 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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