CVE Vulnerabilities

CVE-2025-9185

Published: Aug 19, 2025 | Modified: Aug 21, 2025
CVSS 3.x
8.1
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
7.5 IMPORTANT
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Ubuntu
MEDIUM

Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. 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 affects Firefox < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.

Affected Software

Name Vendor Start Version End Version
Firefox Mozilla * 115.27.0 (excluding)
Firefox Mozilla * 142.0 (excluding)
Firefox Mozilla 128.0 (including) 128.14.0 (excluding)
Firefox Mozilla 140.0 (including) 140.2.0 (excluding)
Thunderbird Mozilla * 128.14.0 (excluding)
Thunderbird Mozilla * 142.0 (excluding)
Thunderbird Mozilla 140.0 (including) 140.2.0 (excluding)
Red Hat Enterprise Linux 10 RedHat firefox-0:128.14.0-2.el10_0 *
Red Hat Enterprise Linux 8 RedHat firefox-0:128.14.0-2.el8_10 *
Red Hat Enterprise Linux 8 RedHat thunderbird-0:128.14.0-3.el8_10 *
Red Hat Enterprise Linux 9 RedHat firefox-0:128.14.0-2.el9_6 *
Red Hat Enterprise Linux 9 RedHat thunderbird-0:128.14.0-3.el9_6 *
Mozjs102 Ubuntu esm-apps/noble *
Mozjs102 Ubuntu jammy *
Mozjs102 Ubuntu noble *
Mozjs115 Ubuntu devel *
Mozjs115 Ubuntu noble *
Mozjs115 Ubuntu plucky *
Mozjs52 Ubuntu esm-apps/focal *
Mozjs52 Ubuntu esm-infra/bionic *
Mozjs68 Ubuntu esm-infra/focal *
Mozjs78 Ubuntu esm-apps/jammy *
Mozjs78 Ubuntu jammy *
Mozjs91 Ubuntu jammy *
Thunderbird Ubuntu jammy *

References