CVE-2025-10527

Summary

Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

Affected Software

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

CVE Program Container

Additional References

• https://lists.debian.org/debian-lts-announce/2025/09/msg00026.html
• https://lists.debian.org/debian-lts-announce/2025/09/msg00020.html

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1984825
• https://www.mozilla.org/security/advisories/mfsa2025-73/
• https://www.mozilla.org/security/advisories/mfsa2025-75/
• https://www.mozilla.org/security/advisories/mfsa2025-77/
• https://www.mozilla.org/security/advisories/mfsa2025-78/

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