CVE-2026-100828 — Mitigation bypass in the Bookmarks & History component
Mitigation bypass in the Bookmarks & History component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
Published: 2026-09-29 · CVSS: 9.6 · CVSS 3.1
Mitigation bypass in the Bookmarks & History component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7