Debian/thunderbird: high 7.5
A race during concurrent delazification could have led to a use-after-free. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.
Action: Upgrade thunderbird to 1:128.7.0esr-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:128.7.0esr-1 | - |
Fixed versions
| 1:128.7.0esr-1 |
Sources
- osv: DEBIAN-CVE-2025-1012#Debian:13/thunderbird
- https://security-tracker.debian.org/tracker/CVE-2025-1012
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