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CVE

DEBIAN-CVE-2026-16412

Memory safety bugs present in Firefox ESR 140.12 and Firefox 152.
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CVE

DEBIAN-CVE-2026-16412

Memory safety bugs present in Firefox ESR 140.12 and Firefox 152.

Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

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:N/S:U/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://security-tracker.debian.org/tracker/CVE-2026-16412

Severity

9.8

CVSS Score
0
10

Basic Information

Base CVSS
9.8
EPSS Probability
0%
EPSS Percentile
0%
Introduced Version
0
Fix Available
140.13.0esr-1~deb12u1,140.13.0esr-1~deb13u1,140.13.0esr-1,1:140.13.0esr-2~deb12u1,1:140.13.0esr-2~deb13u1,1:140.13.0esr-1

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