Advisory Published

USN-6481-1: FRR vulnerabilities

First published: Wed Nov 15 2023(Updated: )

It was discovered that FRR incorrectly handled certain malformed NLRI data. A remote attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. (CVE-2023-46752) It was discovered that FRR incorrectly handled certain BGP UPDATE messages. A remote attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. (CVE-2023-46753)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/frr<8.4.4-1.1ubuntu1.1
8.4.4-1.1ubuntu1.1
Ubuntu Ubuntu=23.10
All of
ubuntu/frr<8.4.2-1ubuntu1.5
8.4.2-1ubuntu1.5
Ubuntu Ubuntu=23.04
All of
ubuntu/frr<8.1-1ubuntu1.7
8.1-1ubuntu1.7
Ubuntu Ubuntu=22.04

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