{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0","last_affected":"1.8.1"}],"component":"net.jpountz.lz4:lz4","cve_ids":["CVE-2025-66566"],"ecosystem":"Maven","epss":0.00605,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-cmp6-m4wj-q63q","id":"tcs_01M5N8SR25B0NEZ2W0R32KY0W1","modified_at":"2026-09-10T03:50:58.809735567Z","published_at":"2025-12-05T18:54:55Z","references":["https://osv.dev/vulnerability/GHSA-cmp6-m4wj-q63q","https://github.com/yawkat/lz4-java/security/advisories/GHSA-cmp6-m4wj-q63q","https://nvd.nist.gov/vuln/detail/CVE-2025-66566","https://github.com/yawkat/lz4-java/commit/33d180cb70c4d93c80fb0dc3ab3002f457e93840","https://github.com/yawkat/lz4-java"],"severity":{"label":"high","score":8.2},"sources":[{"source":"osv","source_id":"GHSA-cmp6-m4wj-q63q#Maven/net.jpountz.lz4:lz4","url":"https://osv.dev/vulnerability/GHSA-cmp6-m4wj-q63q"},{"source":"nvd","source_id":"CVE-2025-66566","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66566"}],"summary":"yawkat LZ4 Java has a possible information leak in Java safe decompressor"}