Debian/firefox-esr: critical 9.8
Internally found bugs present in Firefox ESR 115.38, Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect
Action: Upgrade firefox-esr to 140.14.0esr-1~deb13u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 140.14.0esr-1~deb13u1 | - |
Fixed versions
| 140.14.0esr-1~deb13u1 |
Sources
- osv: DEBIAN-CVE-2026-74990#Debian:13/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2026-74990
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