PT-2025-22994 · Mozilla+11 · Thunderbird+12
Randell Jesup
·
Published
2025-05-27
·
Updated
2025-12-03
·
CVE-2025-5269
CVSS v3.1
8.1
High
| Vector | AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Firefox ESR versions prior to 128.11
Thunderbird versions prior to 128.11
Description
A memory safety bug is present, showing evidence of memory corruption. It is presumed that with enough effort, this could be exploited to run arbitrary code.
Recommendations
For Firefox ESR versions prior to 128.11, update to version 128.11 or later.
For Thunderbird versions prior to 128.11, update to version 128.11 or later.
Fix
Memory Corruption
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Debian
Firefox Esr
Linuxmint
Red Hat
Red Os
Rocky Linux
Suse
Thunderbird
Ubuntu