What is CVE-2026-2379?

CVE-2026-2379 is a medium-severity vulnerability, classified under Operation on a Resource after Expiration or Release. CVSS score: 5.9/10. Published 2026-06-05.

How severe is CVE-2026-2379?

Medium severity. CVSS v3 base score is 5.9 out of 10.

CVE-2026-2379

CVE-2026-2379

On affected platforms with hardware IPSec support running Arista EOS with certain IPsec features enabled, EOS may exhibit unexpected behavior in specific cases. Physical interface flaps and certain agent restarts can cause IPsec tunnel re-…

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Weakness classification (CWE)

CWE-672 — Operation on a Resource after Expiration or Release

References

psirt@arista.com

Frequently asked questions

What is CVE-2026-2379?: CVE-2026-2379 is a medium-severity vulnerability, classified under Operation on a Resource after Expiration or Release. CVSS score: 5.9/10. Published 2026-06-05.
How severe is CVE-2026-2379?: Medium severity. CVSS v3 base score is 5.9 out of 10.