Debian/firefox-esr: critical 9.8
An attacker was able to perform an out-of-bounds read or write on a JavaScript `Promise` object. This vulnerability was fixed in Firefox 138.0.4, Firefox ESR 128.10.1, Firefox ESR 115.23.1, Thunderbir
Action: Upgrade firefox-esr to 128.10.1esr-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 128.10.1esr-1 | - |
Fixed versions
| 128.10.1esr-1 |
Sources
- osv: DEBIAN-CVE-2025-4918#Debian:14/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2025-4918
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