CVE-2025-9182: Denial-of-service due to out-of-memory in the Graphics: WebRender component
'Denial-of-service due to out-of-memory in the Graphics: WebRender component.' This vulnerability affects Firefox < 142, Firefox ESR < 140.2, Thunderbird < 142, and Thunderbird < 140.2.
Other sources
Denial-of-service due to out-of-memory in the Graphics: WebRender component. This vulnerability was fixed in Firefox 142, Firefox ESR 140.2, Thunderbird 142, and Thunderbird 140.2.
— MITRE
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2025-9182?
CVE-2025-9182 is classified as a denial-of-service vulnerability due to out-of-memory issues in the Graphics: WebRender component.
How do I fix CVE-2025-9182?
To mitigate CVE-2025-9182, update your Firefox or Thunderbird to the latest versions designated as safe.
Which software versions are affected by CVE-2025-9182?
CVE-2025-9182 affects Firefox versions prior to 142, Firefox ESR versions prior to 140.2, Thunderbird versions prior to 142, and Thunderbird ESR versions prior to 140.2.
What type of attack does CVE-2025-9182 facilitate?
CVE-2025-9182 facilitates a denial-of-service attack that can cause the application to become unresponsive.
Is CVE-2025-9182 likely to be exploited in the wild?
While specific exploitation details are not provided, any high-severity vulnerability like CVE-2025-9182 possesses potential for exploitation if unpatched.