{"id":"CVE-2026-25804","aliases":["GHSA-86x4-wp9f-wrr9","GO-2026-4461"],"url":"https://o3.security/vulnerability/CVE-2026-25804","summary":"Antrea has invalid enforcement order for network policy rules caused by integer overflow","details":"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.","published":"2026-02-06T22:58:35.041Z","modified":"2026-08-12T03:51:44.226109031Z","cvss":null,"epss":{"score":0.00444,"percentile":0.36731,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"antrea.io/antrea","fixedVersion":"2.3.2"},{"ecosystem":"Go","name":"antrea.io/antrea","fixedVersion":"2.4.3"}],"fix":{"url":"https://github.com/antrea-io/antrea/commit/86c4b6010f3be536866f339b632621c23d7186fa","label":"antrea-io/antrea@86c4b60"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25804.json"},{"type":"ADVISORY","url":"https://github.com/antrea-io/antrea/security/advisories/GHSA-86x4-wp9f-wrr9"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25804"},{"type":"FIX","url":"https://github.com/antrea-io/antrea/commit/86c4b6010f3be536866f339b632621c23d7186fa"},{"type":"FIX","url":"https://github.com/antrea-io/antrea/pull/7496"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:44.226109031Z"}}