CVE-2026-73455 (GCVE-0-2026-73455)
Vulnerability from cvelistv5
Published
2026-09-16 09:46
Modified
2026-09-16 17:56
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.9 (High) - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
CWE
  • CWE-130 - Improper Handling of Length Parameter Inconsistency
Summary
On affected platforms running Arista EOS with Open Shortest Path First version 3 (OSPFv3) configured, a specially crafted packet can cause the OSPFv3 agent to restart unexpectedly.
References
Impacted products
Vendor Product Version
Arista Networks EOS Version: 1.0.0   < 4.33.0F
Version: 4.33.0F   <
Version: 4.34.0F   <
Version: 4.35.0F   <
Version: 4.36.0F   <
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with ID 192.0.2.0 and Instance 0 VRF default\\nIt has 1 fully adjacent neighbors\\n\\nswitch\u0026gt;show ospfv3 neighbor\\nNeighbor 192.0.3.0 VRF default priority is 1, state is Full\\n\u003c/pre\u003e\", \"base64\": false}]}], \"providerMetadata\": {\"orgId\": \"c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7\", \"shortName\": \"Arista\", \"dateUpdated\": \"2026-09-16T09:46:15.888Z\"}}}",
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