{"id":"CVE-2026-88362","aliases":["DEBIAN-CVE-2026-88362","EUVD-2026-86283","GHSA-jh95-x4h9-f49q","UBUNTU-CVE-2026-88362"],"status":"published","title":"MuJS e892c9fdb contains an incorrect numeric conversion vulnerability in jsR_isindex() in jsrun.c...","description":"MuJS e892c9fdb contains an incorrect numeric conversion vulnerability in jsR_isindex() in jsrun.c. A specially crafted JavaScript input containing an excessively large numeric array index can cause an out-of-range floating-point value to be converted to an integer without proper range validation. This results in undefined behavior and can cause process termination, leading to denial of service.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00416,"percentile":0.36204,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-681"],"published":"2026-09-24T00:00:00Z","modified":"2026-10-17T13:01:15Z","fixes":[{"ecosystem":"Debian:14","package":"mujs","fixed_in":["1.3.10-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"mujs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.10-1","1.3.10-2","1.3.2-1","1.3.3-1","1.3.3-2","1.3.3-3","1.3.5-1","1.3.6-1","1.3.7-1","1.3.8-1","1.3.8-2","1.3.9-1"]},{"source":"osv","ecosystem":"Debian:13","package":"mujs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.10-1","1.3.10-2","1.3.6-1","1.3.7-1","1.3.8-1","1.3.8-2","1.3.9-1"]},{"source":"osv","ecosystem":"Debian:14","package":"mujs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.10-2"}]}],"versions":["1.3.10-1","1.3.6-1","1.3.7-1","1.3.8-1","1.3.8-2","1.3.9-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"mujs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.0-1","1.1.3-2","1.1.3-3","1.1.3-3ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"mujs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.3-1","1.3.3-2","1.3.3-3","1.3.3-3build1","1.3.3-3build2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"mujs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.8-2","1.3.9-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"mujs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.6-1","1.3.8-2"]}],"references":[{"url":"https://bugs.ghostscript.com/show_bug.cgi?id=709636","tags":["exploit"]},{"url":"https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mujs.git/commit/?id=8a32c397b28fe45747ac4e9e4f3dca049825eda7"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88362"},{"url":"https://github.com/advisories/GHSA-jh95-x4h9-f49q"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-88362","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-88362","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-88362","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-88362","description":"MuJS e892c9fdb contains an incorrect numeric conversion vulnerability in jsR_isindex() in jsrun.c. A specially crafted JavaScript input containing an excessively large numeric array index can cause an out-of-range floating-point value to be converted to an integer without proper range validation. This results in undefined behavior and can cause process termination, leading to denial of service.","status":"published","published":"2026-09-24T00:00:00Z","modified":"2026-09-25T16:15:56.799Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-681"],"updated_at":"2026-11-02T13:41:53.237769Z"}],"euvd":[{"id":"EUVD-2026-86283","description":"MuJS e892c9fdb contains an incorrect numeric conversion vulnerability in jsR_isindex() in jsrun.c. A specially crafted JavaScript input containing an excessively large numeric array index can cause an out-of-range floating-point value to be converted to an integer without proper range validation. This results in undefined behavior and can cause process termination, leading to denial of service.","status":"published","published":"2026-09-24T00:00:00Z","modified":"2026-09-25T16:15:56Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T17:27:55.413842Z"}],"ghsa":[{"id":"GHSA-jh95-x4h9-f49q","title":"MuJS e892c9fdb contains an incorrect numeric conversion vulnerability in jsR_isindex() in jsrun.c...","description":"MuJS e892c9fdb contains an incorrect numeric conversion vulnerability in jsR_isindex() in jsrun.c. A specially crafted JavaScript input containing an excessively large numeric array index can cause an out-of-range floating-point value to be converted to an integer without proper range validation. This results in undefined behavior and can cause process termination, leading to denial of service.","status":"published","published":"2026-09-24T18:31:19Z","modified":"2026-09-25T18:32:26Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-681"],"updated_at":"2026-11-02T15:12:27.845198Z"}],"nvd":[{"id":"CVE-2026-88362","description":"MuJS e892c9fdb contains an incorrect numeric conversion vulnerability in jsR_isindex() in jsrun.c. A specially crafted JavaScript input containing an excessively large numeric array index can cause an out-of-range floating-point value to be converted to an integer without proper range validation. This results in undefined behavior and can cause process termination, leading to denial of service.","status":"published","published":"2026-09-24T16:17:13.35Z","modified":"2026-09-25T17:17:17.66Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-681"],"updated_at":"2026-11-02T14:12:51.036099Z"}],"osv":[{"id":"DEBIAN-CVE-2026-88362","description":"MuJS e892c9fdb contains an incorrect numeric conversion vulnerability in jsR_isindex() in jsrun.c. A specially crafted JavaScript input containing an excessively large numeric array index can cause an out-of-range floating-point value to be converted to an integer without proper range validation. This results in undefined behavior and can cause process termination, leading to denial of service.","status":"published","published":"2026-09-24T16:17:13.35Z","modified":"2026-10-02T04:00:07.639060969Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:46:05.506112Z"},{"id":"UBUNTU-CVE-2026-88362","description":"MuJS e892c9fdb contains an incorrect numeric conversion vulnerability in jsR_isindex() in jsrun.c. A specially crafted JavaScript input containing an excessively large numeric array index can cause an out-of-range floating-point value to be converted to an integer without proper range validation. This results in undefined behavior and can cause process termination, leading to denial of service.","status":"published","published":"2026-09-24T16:17:00Z","modified":"2026-10-17T13:01:15.682439778Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:57:24.828975Z"}]}}