CVE-2026-73436
6.5
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Arista Networks | EOS | 4.36.0F <= 4.36.1F | affected |
| Arista Networks | EOS | 4.35.0F <= 4.35.5M | affected |
| Arista Networks | EOS | 4.34.0F <= 4.34.7.1M | affected |
| Arista Networks | EOS | 4.33.0F <= 4.33.9M | affected |
| Arista Networks | EOS | 1.0.0 < 4.33.0F | affected |
Weaknesses
- CWE-1284: CWE-1284 Improper Validation of Specified Quantity in Input
- CWE-125: CWE-125 Out-of-bounds Read
Workarounds
No mitigation is available for CVE-2026-73436.
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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