Debian/thunderbird: high 7.5
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 T
Action: Upgrade thunderbird to 1:153.2.0esr-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:153.2.0esr-1 | - |
Fixed versions
| 1:153.2.0esr-1 |
Sources
- osv: DEBIAN-CVE-2026-84641#Debian:14/thunderbird
- https://security-tracker.debian.org/tracker/CVE-2026-84641
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