PT-2025-33871 · Mozilla+11 · Thunderbird+14

Published

2025-08-19

·

Updated

2026-02-02

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CVE-2025-9185

CVSS v3.1

8.1

High

VectorAV: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 142 Firefox ESR versions 115.26 through 115.26, 128.13 through 128.13, and 140.1 through 140.1 Thunderbird versions prior to 142 Thunderbird ESR versions 128.13 through 128.13, 140.1 through 140.1
Description: Memory safety bugs are present in the software. Some of these bugs showed evidence of memory corruption, and it is presumed that with sufficient effort, some of them could have been exploited to run arbitrary code.
Recommendations: Update Firefox to version 142 or later. Update Firefox ESR to version 115.27 or later. Update Firefox ESR to version 128.14 or later. Update Firefox ESR to version 140.2 or later. Update Thunderbird to version 142 or later. Update Thunderbird ESR to version 128.14 or later. Update Thunderbird ESR to version 140.2 or later.

Fix

Access of Uninitialized Pointer

Buffer Overflow

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Weakness Enumeration

Related Identifiers

ALSA-2025:14416
ALSA-2025:14417
ALSA-2025:14442
ALSA-2025:14640
ALSA-2025:14743
ALSA-2025:14844
ALT-PU-2025-11100
ALT-PU-2025-12559
ALT-PU-2025-12562
ALT-PU-2025-14599
BDU:2025-10385
BDU:2025-10387
BDU:2025-10496
BDU:2025-10497
CESA-2025_14442
CESA-2025_14743
CVE-2025-9185
DLA-4277-1
DLA-4279-1
DSA-5980-1
DSA-5984-1
INFSA-2025_14416
INFSA-2025_14442
INFSA-2025_14640
INFSA-2025_14743
MGASA-2025-0227
MGASA-2025-0228
OESA-2025-2099
OESA-2025-2592
OESA-2025-2593
OESA-2025-2594
OESA-2025-2595
OESA-2025-2596
OPENSUSE-SU-2025-20135-1
OPENSUSE-SU-2025:15467-1
OPENSUSE-SU-2025:15472-1
OPENSUSE-SU-2025:15494-1
OPENSUSE-SU-2025:15516-1
OPENSUSE-SU-2025:20135-1
RHSA-2025:14416
RHSA-2025:14417
RHSA-2025:14442
RHSA-2025:14640
RHSA-2025:14743
RHSA-2025_14416
RHSA-2025_14442
RHSA-2025_14640
RHSA-2025_14743
SUSE-SU-2025:03007-1
SUSE-SU-2025:03008-1
SUSE-SU-2025:03009-1
SUSE-SU-2025:21170-1
SUSE-SU-2025_03008-1
SUSE-SU-2025_03009-1
USN-7991-1

Affected Products

Alt Linux
Almalinux
Astra Linux
Centos
Debian
Firefox
Firefox Esr
Linuxmint
Red Hat
Red Os
Rocky Linux
Suse
Thunderbird
Thunderbird Esr
Ubuntu