{"cve":"CVE-2026-25804","nvd":{"published":"2026-02-06T23:15:55.123","modified":"2026-06-17T10:25:16.257","status":"Analyzed","description":"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.","cvss_v4":{"vector":"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","score":8.0},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","score":9.1},"cwes":["CWE-287","CWE-770"],"references":["https://github.com/antrea-io/antrea/commit/86c4b6010f3be536866f339b632621c23d7186fa","https://github.com/antrea-io/antrea/pull/7496","https://github.com/antrea-io/antrea/security/advisories/GHSA-86x4-wp9f-wrr9"],"products":["linuxfoundation:antrea"],"source":"nvd","synced_at":"2026-10-19T22:22:27.261130201+00:00"},"epss":{"cve":"CVE-2026-25804","score":0.00499,"percentile":0.42825,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-86x4-wp9f-wrr9","url":"https://osv.dev/vulnerability/GHSA-86x4-wp9f-wrr9","summary":"Antrea has invalid enforcement order for network policy rules caused by integer overflow","modified":"2026-02-19T20:41:02.251456Z","packages":[{"ecosystem":"Go","name":"antrea.io/antrea","purl":"pkg:golang/antrea.io/antrea","ranges":["<2.3.2"],"fixed":["2.3.2"]},{"ecosystem":"Go","name":"antrea.io/antrea","purl":"pkg:golang/antrea.io/antrea","ranges":[">=2.4.0 <2.4.3"],"fixed":["2.4.3"]}]},{"id":"GO-2026-4461","url":"https://osv.dev/vulnerability/GO-2026-4461","summary":"Antrea has invalid enforcement order for network policy rules caused by integer overflow in antrea.io/antrea","modified":"2026-02-19T20:41:02.251456Z","packages":[{"ecosystem":"Go","name":"antrea.io/antrea","purl":"pkg:golang/antrea.io/antrea","ranges":["all versions"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}