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CVE

DEBIAN-CVE-2026-100818

Sandbox escape due to use-after-free in the Widget: Gtk component.
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CVE

DEBIAN-CVE-2026-100818

Sandbox escape due to use-after-free in the Widget: Gtk component.

Sandbox escape due to use-after-free in the Widget: Gtk component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.

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

Related Resources

No items found.

References

https://security-tracker.debian.org/tracker/CVE-2026-100818

Severity

9.6

CVSS Score
0
10

Basic Information

Base CVSS
9.6
EPSS Probability
0%
EPSS Percentile
0%
Introduced Version
0
Fix Available
153.4.0esr-1~deb12u1,153.4.0esr-1~deb13u1,153.4.0esr-1,1:140.17.0esr-1~deb12u1,1:140.17.0esr-1~deb13u1,1:153.4.0esr-1

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