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CVE-2026-84641

🗓️ 01 Sep 2026 21:33:07Reported by Debian Security Bug TrackerType 
debiancve
 debiancve
🔗 security-tracker.debian.org👁 4 Views

A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunder...

Related
Packages
OSOS VersionArchitecturePackagePackage VersionFilename
Debian12allthunderbird1:140.14.0esr-1~deb12u1thunderbird_1:140.14.0esr-1~deb12u1_all.deb
Debian13allthunderbird1:140.14.0esr-1~deb13u1thunderbird_1:140.14.0esr-1~deb13u1_all.deb
Debian14allthunderbird1:140.14.0esr-1thunderbird_1:140.14.0esr-1_all.deb
Debian999allthunderbird1:140.14.0esr-1thunderbird_1:140.14.0esr-1_all.deb

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01 Sep 2026 21:33Current
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