What is GHSA-328w-w3mm-pwh5?

GHSA-328w-w3mm-pwh5 is a security advisory published by GitHub Security Advisories with Critical severity. On affected platforms running Arista EOS configured as S-BFD peers, an unauthenticated attacker...

Which CVE IDs does GHSA-328w-w3mm-pwh5 cover?

GHSA-328w-w3mm-pwh5 covers the following CVE IDs: CVE-2026-121295. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-328w-w3mm-pwh5?

GHSA-328w-w3mm-pwh5 has a CVSS v3 base score of 8.6, published by GitHub Security Advisories.

GHSA-328w-w3mm-pwh5CriticalCVSS 8.6

On affected platforms running Arista EOS configured as S-BFD peers, an unauthenticated attacker...

Vendor

GitHub Security Advisories

Published

November 10, 2026

Last Modified

November 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-121295 →

📋 Description

On affected platforms running Arista EOS configured as S-BFD peers, an unauthenticated attacker could send a crafted S-BFD PDU to an initiator device. This crafted PDU could cause the kernel on the initiator device to crash, resulting in an unexpected device reboot.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-121295
https://www.arista.com/en/support/advisories-notices/security-advisory/25045-security-advisory-0223
https://github.com/advisories/GHSA-328w-w3mm-pwh5