CVE Vulnerabilities

CVE-2025-9184

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 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 < 140.2, Thunderbird < 142, and Thunderbird < 140.2.

Affected Software

Name Vendor Start Version End Version
Firefox Mozilla * 140.2.0 (excluding)
Firefox Mozilla * 142.0 (excluding)
Thunderbird Mozilla * 140.2.0 (excluding)
Thunderbird Mozilla * 142.0 (excluding)
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