PT-2025-18160 · Mozilla+11 · Firefox Esr+14
Maurice Dauer
·
Published
2025-04-29
·
Updated
2026-04-14
·
CVE-2025-4091
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 versions prior to 138
Firefox ESR versions prior to 128.10
Thunderbird versions prior to 138
Thunderbird ESR versions prior to 128.10
Description
Memory safety bugs are present, showing evidence of memory corruption. It is presumed that with enough effort, some of these bugs could be exploited to run arbitrary code.
Recommendations
For Firefox versions prior to 138, update to version 138 or later.
For Firefox ESR versions prior to 128.10, update to version 128.10 or later.
For Thunderbird versions prior to 138, update to version 138 or later.
For Thunderbird ESR versions prior to 128.10, update to version 128.10 or later.
Fix
Buffer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Debian
Firefox
Firefox Esr
Linuxmint
Red Hat
Red Os
Rocky Linux
Suse
Thunderbird
Thunderbird Esr
Ubuntu