{"id":"CVE-2019-25043","aliases":["DEBIAN-CVE-2019-25043","EUVD-2019-11493","GHSA-p89w-8r2h-7mjp","UBUNTU-CVE-2019-25043"],"status":"published","title":"ModSecurity 3.x before 3.0.4 mishandles key-value pair parsing, as demonstrated by a \"string...","description":"ModSecurity 3.x before 3.0.4 mishandles key-value pair parsing, as demonstrated by a \"string index out of range\" error and worker-process crash for a \"Cookie: =abc\" header.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01216,"percentile":0.6881,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-755"],"published":"2021-05-06T16:32:34Z","modified":"2026-10-24T10:47:25Z","fixes":[{"ecosystem":"Debian:12","package":"modsecurity","fixed_in":["3.0.4-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"modsecurity","fixed_in":["3.0.4-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"modsecurity","fixed_in":["3.0.4-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"modsecurity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.4-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"modsecurity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.4-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"modsecurity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.4-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"modsecurity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.3-1","3.0.4-1","3.0.4-1build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"modsecurity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.4-2","3.0.6-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"modsecurity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.10-1","3.0.11-1","3.0.12-1","3.0.12-1.1build1","3.0.12-1.1build2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"modsecurity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.13-1","3.0.14-1","3.0.14-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"modsecurity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.14-1build2","3.0.15-1","3.0.16-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"modsecurity","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.14-1build1","3.0.14-1build2"]}],"products":[{"vendor":"owasp","product":"modsecurity"}],"references":[{"url":"https://github.com/SpiderLabs/ModSecurity/issues/2566","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-25043"},{"url":"https://github.com/advisories/GHSA-p89w-8r2h-7mjp"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-25043","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-25043","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-25043","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-25043","description":"ModSecurity 3.x before 3.0.4 mishandles key-value pair parsing, as demonstrated by a \"string index out of range\" error and worker-process crash for a \"Cookie: =abc\" header.","status":"published","published":"2021-05-06T16:32:34Z","modified":"2024-08-05T03:00:19.051Z","updated_at":"2026-11-02T14:20:19.399352Z"}],"euvd":[{"id":"EUVD-2019-11493","description":"ModSecurity 3.x before 3.0.4 mishandles key-value pair parsing, as demonstrated by a \"string index out of range\" error and worker-process crash for a \"Cookie: =abc\" header.","status":"published","published":"2021-05-06T16:32:34Z","modified":"2024-08-05T03:00:19Z","updated_at":"2026-11-03T02:40:19.824838Z"}],"ghsa":[{"id":"GHSA-p89w-8r2h-7mjp","title":"ModSecurity 3.x before 3.0.4 mishandles key-value pair parsing, as demonstrated by a \"string...","description":"ModSecurity 3.x before 3.0.4 mishandles key-value pair parsing, as demonstrated by a \"string index out of range\" error and worker-process crash for a \"Cookie: =abc\" header.","status":"published","published":"2022-05-24T19:01:27Z","modified":"2025-07-03T21:31:20Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T15:02:53.892162Z"}],"nvd":[{"id":"CVE-2019-25043","description":"ModSecurity 3.x before 3.0.4 mishandles key-value pair parsing, as demonstrated by a \"string index out of range\" error and worker-process crash for a \"Cookie: =abc\" header.","status":"published","published":"2021-05-06T17:15:07.87Z","modified":"2026-06-17T02:31:32.473Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:05:48.502374Z"}],"osv":[{"id":"CVE-2019-25043","description":"ModSecurity 3.x before 3.0.4 mishandles key-value pair parsing, as demonstrated by a \"string index out of range\" error and worker-process crash for a \"Cookie: =abc\" header.","status":"published","published":"2021-05-06T17:15:07.87Z","modified":"2026-10-24T10:47:25.692992565Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:12.363788Z"},{"id":"DEBIAN-CVE-2019-25043","description":"ModSecurity 3.x before 3.0.4 mishandles key-value pair parsing, as demonstrated by a \"string index out of range\" error and worker-process crash for a \"Cookie: =abc\" header.","status":"published","published":"2021-05-06T17:15:07.87Z","modified":"2026-09-21T07:00:11.425183876Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:45:32.221385Z"},{"id":"UBUNTU-CVE-2019-25043","description":"ModSecurity 3.x before 3.0.4 mishandles key-value pair parsing, as demonstrated by a \"string index out of range\" error and worker-process crash for a \"Cookie: =abc\" header.","status":"published","published":"2021-05-06T17:15:00Z","modified":"2026-10-17T12:56:07.968946203Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:54:21.213407Z"}]}}