{"id":"CVE-2026-120572","title":"Incorrect boundary conditions in the Layout: Block and Inline component","summary":"Incorrect boundary conditions in the Layout: Block and Inline component. This vulnerability was fixed in Firefox 159.0.1.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvssSource":"adp","vendor":"Mozilla","product":"Firefox","affected":["Firefox"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-11-03T14:16:58.683127Z"},"published":"2026-11-03","updated":"2026-11-03","sourceUpdated":"2026-11-03T14:17:13.886Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-120572","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2079035"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-123/"}],"tags":["cve.org"],"epss":0.00329,"epssPercentile":0.26189,"ingestedAt":"2026-11-05T19:30:42.959Z","slug":"CVE-2026-120572","body":"## Overview\n\nIncorrect boundary conditions in the Layout: Block and Inline component. This vulnerability was fixed in Firefox 159.0.1.\n\n## Affected\n\n- `Firefox`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}