HIGH 7.5 Microsoft

CVE-2023-47235

An issue was discovered in FRRouting FRR through 9.0.1. A crash can occur when a malformed BGP UPDATE message with an EOR is processed because the presence of EOR does not lead to a treat-as-withdraw outcome.

Microsoft Security Update 2023-Nov: An issue was discovered in FRRouting FRR through 9.0.1. A crash can occur when a malformed BGP UPDATE message with an EOR is processed because the presence of EOR does not lead to a treat-as-withdraw outcome.

Affected Products

References

Published: 2023-11-14 · Source: Microsoft · Feed updated: 2026-09-03
This high severity vulnerability with a CVSS score of 7.5 was published on 2023-11-14 via Microsoft. Affected: cbl2 frr 8.5.3-4 on CBL Mariner 2.0, azl3 frr 9.1-2 on Azure Linux 3.0, azl3 frr 8.5.3-2 on Azure Linux 3.0.
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