CVE-2025-9182
firefox: thunderbird: Denial-of-service due to out-of-memory in the Graphics: WebRender component
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 20, 2025
Updated · June 30, 2026
Description
A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Denial-of-service due to out-of-memory in the Graphics: WebRender component.
Statement
Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 3.4CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N
CWE-400 · Uncontrolled Resource Consumption