CVE-2026-4725

Description

Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.

PUBLISHED Reserved 2026-03-23 | Published 2026-03-24 | Updated 2026-04-13 | Assigner mozilla

Product status

Credits

Jun Yang

References

bugzilla.mozilla.org/show_bug.cgi?id=2017108

www.mozilla.org/security/advisories/mfsa2026-20/

www.mozilla.org/security/advisories/mfsa2026-23/

cve.org (CVE-2026-4725)

nvd.nist.gov (CVE-2026-4725)

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