CVE
DEBIAN-CVE-2026-75874
Sandbox escape in the Remote Settings Client component.
Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Thunderbird 154, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 140.15, and Thunderbird 153.2.
Package Versions Affected
Package Version
patch Availability
No items found.
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CVSS Version
Severity
Base Score
CVSS Version
Score Vector

C
H
U
-

C
H
U
0
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3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

C
H
U
-
Related Resources
No items found.
References
https://security-tracker.debian.org/tracker/CVE-2026-75874