Debian/firefox-esr: medium 4.8
A vulnerability was identified in Thunderbird where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bounds read access and
Action: Upgrade firefox-esr to 128.10.0esr-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 128.10.0esr-1 | - |
Fixed versions
| 128.10.0esr-1 |
Sources
- osv: DEBIAN-CVE-2025-4087#Debian:14/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2025-4087
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