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CVE

DEBIAN-CVE-2026-100819

Sandbox escape due to incorrect boundary conditions in the XPCOM component.
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CVE

DEBIAN-CVE-2026-100819

Sandbox escape due to incorrect boundary conditions in the XPCOM component.

Sandbox escape due to incorrect boundary conditions in the XPCOM component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, 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-2026-100819

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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