{"id":"CVE-2025-1414","aliases":["EUVD-2025-4789","GHSA-p5jc-239c-pvvf","UBUNTU-CVE-2025-1414"],"status":"published","title":"Memory safety bugs fixed in Firefox 135.0.1","description":"Memory safety bugs present in Firefox 135. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 135.0.1.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00453,"percentile":0.39744,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2025-02-18T13:39:33Z","modified":"2026-10-28T20:15:39Z","fixes":[{"ecosystem":"Ubuntu:20.04:LTS","package":"firefox","fixed_in":["136.0+build3-0ubuntu0.20.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"mozjs52","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["52.3.1-0ubuntu3","52.3.1-7fakesync1","52.8.1-0ubuntu0.18.04.1","52.9.1-0ubuntu0.18.04.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"mozjs38","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["38.8.0~repack1-0ubuntu1","38.8.0~repack1-0ubuntu3","38.8.0~repack1-0ubuntu4"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"firefox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"136.0+build3-0ubuntu0.20.04.1"}]}],"versions":["69.0.3+build1-0ubuntu1","70.0+build2-0ubuntu1","70.0+build2-0ubuntu2","70.0.1+build1-0ubuntu2","71.0+build2-0ubuntu2","71.0+build5-0ubuntu1","72.0.1+build1-0ubuntu1","72.0.2+build1-0ubuntu1","73.0+build1-0ubuntu1","73.0+build2-0ubuntu1","73.0+build3-0ubuntu1","73.0.1+build1-0ubuntu1","74.0+build1-0ubuntu1","74.0+build2-0ubuntu1","74.0+build2-0ubuntu2","74.0+build3-0ubuntu1","75.0+build3-0ubuntu1","76.0+build2-0ubuntu0.20.04.1","76.0.1+build1-0ubuntu0.20.04.1","77.0.1+build1-0ubuntu0.20.04.1","78.0.1+build1-0ubuntu0.20.04.1","78.0.2+build2-0ubuntu0.20.04.1","79.0+build1-0ubuntu0.20.04.1","80.0+build2-0ubuntu0.20.04.1","80.0.1+build1-0ubuntu0.20.04.1","81.0+build2-0ubuntu0.20.04.1","81.0.2+build1-0ubuntu0.20.04.1","82.0+build2-0ubuntu0.20.04.1","82.0.2+build1-0ubuntu0.20.04.1","82.0.3+build1-0ubuntu0.20.04.1","83.0+build2-0ubuntu0.20.04.1","84.0+build3-0ubuntu0.20.04.1","84.0.1+build1-0ubuntu0.20.04.1","84.0.2+build1-0ubuntu0.20.04.1","85.0+build1-0ubuntu0.20.04.1","85.0.1+build1-0ubuntu0.20.04.1","86.0+build3-0ubuntu0.20.04.1","86.0.1+build1-0ubuntu0.20.04.1","87.0+build3-0ubuntu0.20.04.2","88.0+build2-0ubuntu0.20.04.1","88.0.1+build1-0ubuntu0.20.04.2","89.0+build2-0ubuntu0.20.04.2","89.0.1+build1-0ubuntu0.20.04.1","89.0.2+build1-0ubuntu0.20.04.1","90.0+build1-0ubuntu0.20.04.1","90.0.2+build1-0ubuntu0.20.04.1","91.0+build2-0ubuntu0.20.04.1","91.0.1+build1-0ubuntu0.20.04.1","91.0.2+build1-0ubuntu0.20.04.1","92.0+build3-0ubuntu0.20.04.1","93.0+build1-0ubuntu0.20.04.1","94.0+build3-0ubuntu0.20.04.1","95.0+build1-0ubuntu0.20.04.1","95.0.1+build2-0ubuntu0.20.04.1","96.0+build2-0ubuntu0.20.04.1","97.0+build2-0ubuntu0.20.04.1","97.0.2+build1-0ubuntu0.20.04.1","98.0+build3-0ubuntu0.20.04.2","98.0.1+build2-0ubuntu0.20.04.1","98.0.2+build1-0ubuntu0.20.04.1","99.0+build2-0ubuntu0.20.04.2","100.0+build2-0ubuntu0.20.04.1","100.0.2+build1-0ubuntu0.20.04.1","101.0.1+build1-0ubuntu0.20.04.1","102.0+build2-0ubuntu0.20.04.1","103.0+build1-0ubuntu0.20.04.1","104.0+build3-0ubuntu0.20.04.1","105.0+build2-0ubuntu0.20.04.1","106.0.2+build1-0ubuntu0.20.04.1","106.0.5+build1-0ubuntu0.20.04.1","107.0+build2-0ubuntu0.20.04.1","108.0+build2-0ubuntu0.20.04.1","108.0.1+build1-0ubuntu0.20.04.1","108.0.2+build1-0ubuntu0.20.04.1","109.0+build2-0ubuntu0.20.04.1","109.0.1+build1-0ubuntu0.20.04.2","110.0+build3-0ubuntu0.20.04.1","110.0.1+build2-0ubuntu0.20.04.1","111.0+build2-0ubuntu0.20.04.1","111.0.1+build2-0ubuntu0.20.04.1","112.0+build2-0ubuntu0.20.04.1","112.0.1+build1-0ubuntu0.20.04.1","112.0.2+build1-0ubuntu0.20.04.1","113.0+build2-0ubuntu0.20.04.1","113.0.1+build1-0ubuntu0.20.04.1","113.0.2+build1-0ubuntu0.20.04.1","114.0+build3-0ubuntu0.20.04.1","114.0.1+build1-0ubuntu0.20.04.1","114.0.2+build1-0ubuntu0.20.04.1","115.0+build2-0ubuntu0.20.04.3","115.0.2+build1-0ubuntu0.20.04.1","116.0+build2-0ubuntu0.20.04.2","116.0.2+build1-0ubuntu0.20.04.1","116.0.3+build2-0ubuntu0.20.04.1","117.0+build2-0ubuntu0.20.04.1","117.0.1+build2-0ubuntu0.20.04.1","118.0.1+build1-0ubuntu0.20.04.1","118.0.2+build2-0ubuntu0.20.04.1","119.0+build2-0ubuntu0.20.04.1","119.0.1+build1-0ubuntu0.20.04.1","120.0+build2-0ubuntu0.20.04.1","120.0.1+build1-0ubuntu0.20.04.1","121.0+build1-0ubuntu0.20.04.1","121.0.1+build1-0ubuntu0.20.04.1","122.0+build2-0ubuntu0.20.04.1","122.0.1+build1-0ubuntu0.20.04.1","123.0+build3-0ubuntu0.20.04.1","123.0.1+build1-0ubuntu0.20.04.1","124.0+build1-0ubuntu0.20.04.1","124.0.1+build1-0ubuntu0.20.04.1","124.0.2+build1-0ubuntu0.20.04.1","125.0.2+build1-0ubuntu0.20.04.2","125.0.3+build1-0ubuntu0.20.04.1","126.0+build2-0ubuntu0.20.04.1","126.0.1+build1-0ubuntu0.20.04.1","127.0.2+build1-0ubuntu0.20.04.1","128.0+build2-0ubuntu0.20.04.1","129.0.1+build1-0ubuntu0.20.04.1","129.0.2+build1-0ubuntu0.20.04.1","130.0+build2-0ubuntu0.20.04.1","130.0.1+build1-0ubuntu0.20.04.1","131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Tracking","Permissions Required","report"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-12/","tags":["Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-1414"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-12"},{"url":"https://github.com/advisories/GHSA-p5jc-239c-pvvf"},{"url":"https://ubuntu.com/security/CVE-2025-1414","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-1414","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-1414","title":"Memory safety bugs fixed in Firefox 135.0.1","description":"Memory safety bugs present in Firefox 135. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 135.0.1.","status":"published","published":"2025-02-18T13:39:33.402Z","modified":"2026-04-13T14:31:40.764Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:32:49.824855Z"}],"euvd":[{"id":"EUVD-2025-4789","description":"Memory safety bugs present in Firefox 135. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 135.0.1.","status":"published","published":"2025-02-18T13:39:33Z","modified":"2026-04-13T14:31:40Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T19:24:27.958964Z"}],"ghsa":[{"id":"GHSA-p5jc-239c-pvvf","title":"Memory safety bugs present in Firefox 135. Some of these bugs showed evidence of memory...","description":"Memory safety bugs present in Firefox 135. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox \u003c 135.0.1.","status":"published","published":"2025-02-18T15:31:07Z","modified":"2025-02-18T21:32:50Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:59:58.679357Z"}],"nvd":[{"id":"CVE-2025-1414","description":"Memory safety bugs present in Firefox 135. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 135.0.1.","status":"published","published":"2025-02-18T14:15:28.67Z","modified":"2026-10-05T15:10:00.59Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:10:51.445921Z"}],"osv":[{"id":"UBUNTU-CVE-2025-1414","description":"Memory safety bugs present in Firefox 135. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 135.0.1.","status":"published","published":"2025-02-18T14:15:00Z","modified":"2026-10-28T20:15:39.096725757Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T16:55:20.144818Z"}]}}