Debian/firefox-esr: medium 5.4
The WebChannel API, which is used to transport various information across processes, did not check the sending principal but rather accepted the principal being sent. This could have led to privilege
Action: Upgrade firefox-esr to 128.6.0esr-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 128.6.0esr-1 | - |
Fixed versions
| 128.6.0esr-1 |
Sources
- osv: DEBIAN-CVE-2025-0237#Debian:13/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2025-0237
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