Executive brief
A denial-of-service vulnerability exists in the WebGPU component of the Firefox web browser. An attacker could potentially exploit this flaw to cause the browser to crash or become unresponsive, disrupting the user's browsing session. This issue has been resolved in Firefox version 153.
Technical details
A denial-of-service (DoS) vulnerability exists in the Graphics: WebGPU component of Mozilla Firefox. While specific root cause details are restricted in the associated Bugzilla report, the vulnerability allows for a service disruption within the browser's graphics processing layer. The attack vector is remote via a malicious or compromised webpage. Successful exploitation results in a browser crash or hang. The vulnerability is mitigated in Firefox version 153.
Affected products
- Mozilla Firefox < 153
Timeline
- 2026-07-21: advisory
- 2026-07-21: patched