{"id":"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.","aliases":["GHSA-86x4-wp9f-wrr9","GO-2026-4461"],"modified":"2026-04-02T13:19:26.088663Z","published":"2026-02-06T22:58:35.041Z","related":["SUSE-SU-2026:0757-1"],"database_specific":{"cwe_ids":["CWE-287","CWE-770"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25804.json","cna_assigner":"GitHub_M"},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/antrea-io/antrea","events":[{"introduced":"0"},{"fixed":"0f476c3058375f2c9a6d9570b1c228ec7e565234"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"2.3.2"}]}},{"type":"GIT","repo":"https://github.com/antrea-io/antrea","events":[{"introduced":"89d1bfe8acded45230041a144a3a14ea08322f80"},{"fixed":"1476be6930f5dd47940938b5713fa461ef1fd086"}],"database_specific":{"versions":[{"introduced":"2.4.0"},{"fixed":"2.4.3"}]}}],"versions":["v0.1.0","v0.1.0-rc.1","v0.1.0-rc.2","v0.1.1","v0.10.0","v0.10.1","v0.10.2","v0.11.0","v0.11.1","v0.11.2","v0.11.3","v0.11.4","v0.12.0","v0.12.1","v0.12.2","v0.12.3","v0.13.0","v0.13.1","v0.13.2","v0.13.3","v0.13.4","v0.13.5","v0.2.0","v0.3.0","v0.4.0","v0.4.1","v0.5.0","v0.5.0-rc.1","v0.5.1","v0.6.0","v0.7.0","v0.7.0-rc.1","v0.7.1","v0.7.2","v0.8.0","v0.8.1","v0.8.2","v0.9.0","v0.9.1","v0.9.2","v0.9.3","v1.0.0","v1.0.1","v1.0.2","v1.0.3","v1.1.0","v1.1.1","v1.1.2","v1.10.0","v1.10.1","v1.11.0","v1.11.0-alpha.0","v1.11.1","v1.11.2","v1.11.3","v1.11.4","v1.12.0","v1.12.1","v1.12.2","v1.12.3","v1.13.0","v1.13.1","v1.13.2","v1.13.3","v1.13.4","v1.14.0","v1.14.1","v1.14.2","v1.14.3","v1.15.0","v1.15.1","v1.15.2","v1.2.0","v1.2.1","v1.2.2","v1.2.3","v1.2.4","v1.3.0","v1.4.0","v1.5.0","v1.5.1","v1.5.2","v1.5.3","v1.6.0","v1.6.1","v1.7.0","v1.7.1","v1.7.2","v1.7.3","v1.8.0","v1.8.0-alpha.0","v1.8.0-alpha.1","v1.8.0-alpha.2","v1.8.1","v1.9.0","v1.9.1","v2.0.0","v2.0.1","v2.1.0","v2.1.0-beta.0","v2.1.1","v2.1.2","v2.2.0","v2.2.0-alpha.0","v2.2.0-alpha.1","v2.2.0-alpha.2","v2.2.1","v2.2.2","v2.3.0","v2.3.1","v2.4.0","v2.4.1","v2.4.2","v2.4.3","v2.4.4","v2.4.5","v2.5.0","v2.5.1","v2.5.2","v2.6.0","v2.6.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-25804.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"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"}]}