What’s Vulnerable › Vulnerabilities

CVE-2023-47234

• 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: 2023-11-03 · updated 2026-06-17

Description

An issue was discovered in FRRouting FRR through 9.0.1. A crash can occur when processing a crafted BGP UPDATE message with a MP_UNREACH_NLRI attribute and additional NLRI data (that lacks mandatory path attributes).

Affected products

• FRRouting: through 9.0.1

References

• https://github.com/FRRouting/frr/pull/14716/commits/c37119df45bbf4ef713bc10475af2ee06e12f3bf
• https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
• https://github.com/FRRouting/frr/pull/14716/commits/c37119df45bbf4ef713bc10475af2ee06e12f3bf
• 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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