CVE-2026-84639

脆弱性の種類

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.

影響を受ける製品

• mozilla thunderbird

参考情報

• 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/