VDB
CVE-2026-25804
CVE-2026-25804
PUBLISHED
CVSS 8 HIGH
Antrea is a Kubernetes networking solution intended to be Kubernetes native. Prior to versions 2.3.2 and 2.4.3, Antrea's network policy priority assignment system has a uint16 arithmetic overflow bug that causes incorrect OpenFlow priority calculations when handling a large numbers of policies with various priority values. This results in potentially incorrect traffic enforcement. This issue has been patched in versions 2.4.3.
EPSS 0.59% · 46.5th percentile
Risk Scores
CVSS 4.0
8
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U
EPSS Score
0.59%
46.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| linuxfoundation | antrea | 0, 2.4.0, 0 |
| antrea.io | antrea | 2.4.0, 0, 2.4.0 |
| antrea-io | antrea | < 2.3.2, *, < 2.3.2 |
Timeline
- Feb 6, 2026 CVE Published
- Feb 6, 2026 PoC Published
- Feb 7, 2026 CVE Updated
- Feb 7, 2026 EPSS Score
- Feb 10, 2026 EPSS Score
- Feb 12, 2026 EPSS Score
- Feb 15, 2026 EPSS Score
- Feb 18, 2026 EPSS Score
- Feb 20, 2026 EPSS Score
- Feb 23, 2026 EPSS Score
- Feb 26, 2026 EPSS Score
- Mar 1, 2026 EPSS Score
References
- https://github.com/antrea-io/antrea/pull/7496 fix
- https://github.com/antrea-io/antrea/commit/86c4b6010f3be536866f339b632621c23d7186fa fix
- https://github.com/antrea-io/antrea/security/advisories/GHSA-86x4-wp9f-wrr9 url
- https://github.com/antrea-io/antrea package
- https://gist.github.com/antoninbas/c429cc3e5bb8479ba7ff38fd6fde59d9 exploit
- https://github.com/antrea-io/antrea/blob/main/docs/antrea-network-policy.md exploit
- https://nvd.nist.gov/vuln/detail/CVE-2026-25804 advisory