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Advisory: Arista Networks EOS — Security Advisory 0171 Clear all filters
TI-2026-51554 CVE-2026-73436 · GHSA-j872-p7vg-jj85

Out-of-bounds read in Arista EOS

Priority LOW 26

On affected platforms running Arista EOS with OSPFv2 and OSPFv2 segment routing configured, a specially crafted OSPFv2 packet from an adjacent OSPF neighbor may cause OSPF to restart unexpectedly.

CVSS 4.0MEDIUM 6.0 Adjacent network No auth No interaction EPSS 0.00269 Published 2026-09-16 No fix listed CWE-125
TI-2026-51553 CVE-2026-73435 · GHSA-x3fc-rhxr-g7jr

Insufficient verification of data authenticity in Arista EOS

Priority LOW 30

On affected platforms running Arista EOS with Open Shortest Path First version 2 (OSPFv2) configured, a specially crafted OSPFv2 packet from an unauthenticated attacker on the same broadcast segment, with OSPFv2 authenti…

CVSS 4.0HIGH 7.0 Adjacent network No auth No interaction EPSS 0.00188 Published 2026-09-16 No fix listed CWE-345