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CVE-2026-86107

Security Advisory 0180

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.2.0.0, 5.2.7.0, 6.1.5.0, 6.4.2.0
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

The VeloCloud Edge and Gateway exhibit an out-of-bounds write vulnerability when processing tunneled IP fragments between authenticated overlay neighbors. This vulnerability impacts the VeloCloud VCMP tunnel protocol only. A successful exploit can cause the affected process to terminate and restart, leading to a temporary disruption of traffic. Hosts on the internet that are unauthenticated and unable to form an overlay peer relationship can not trigger the vulnerable logic.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Arista Networks VeloCloud

    From 1.0.0.0 · fixed in 5.2.0.0; From 5.2.0.0 · fixed in 5.2.7.0; From 6.1.0.0 · fixed in 6.1.5.0; From 6.4.0.0 · fixed in 6.4.2.0

  • Arista Networks VeloCloud Gateway

    From 1.0.0.0 · fixed in 5.2.0.0; From 5.2.0.0 · fixed in 5.2.7.0; From 6.1.0.0 · fixed in 6.1.5.0; From 6.4.0.0 · fixed in 6.4.2.0

References 1

arista.com