CVE-2026-84639

نوع الضعف

Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.

المنتجات المتأثرة

• mozilla thunderbird

المراجع

• https://bugzilla.mozilla.org/show_bug.cgi?id=2061087
• https://www.mozilla.org/security/advisories/mfsa2026-86/
• https://www.mozilla.org/security/advisories/mfsa2026-87/
• https://www.mozilla.org/security/advisories/mfsa2026-88/