https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-10-01T23:17:35.246320+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2026-100819 CVE-2026-100819 — Sandbox escape due to incorrect boundary conditions in the XPCOM component 2026-10-01T23:17:35.660613+00:00

Affected: Mozilla Firefox, Mozilla Thunderbird

Sandbox escape due to incorrect boundary conditions in the XPCOM component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.