Debian/thunderbird: high 8.8
An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. This vulnerability was fixed in Firefox 138.0.4, Firefox ESR 128.10.1, Firefox ESR
Action: Upgrade thunderbird to 1:128.11.0esr-1~deb12u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:128.11.0esr-1~deb12u1 | - |
Fixed versions
| 1:128.11.0esr-1~deb12u1 |
Sources
- osv: DEBIAN-CVE-2025-4919#Debian:12/thunderbird
- https://security-tracker.debian.org/tracker/CVE-2025-4919
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