CVE-2026-6773
published 2026-04-21CVE-2026-6773: Denial-of-service due to integer overflow in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
PriorityP338high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.32%
24.5th percentile
Denial-of-service due to integer overflow in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| mozilla | firefox | < Firefox 150 | Firefox 150 |
| mozilla | firefox | < 150.0 | 150.0 |
| mozilla | thunderbird | < Thunderbird 150 | Thunderbird 150 |
| mozilla | thunderbird | < 150.0 | 150.0 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
vendor_redhat7.5HIGH
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Red Hat
WebGPU: Firefox: WebGPU: Denial of Service via integer overflow
vendor_redhat·2026-04-21·CVSS 7.5
CVE-2026-6773 [HIGH] CWE-190 WebGPU: Firefox: WebGPU: Denial of Service via integer overflow
WebGPU: Firefox: WebGPU: Denial of Service via integer overflow
A flaw was found in WebGPU. An integer overflow vulnerability can allow a remote attacker to cause a Denial of Service (DoS) by crafting a malicious input. This can lead to the affected application becoming unresponsive or crashing.
Mozilla
Mozilla Foundation Security Advisory 2026-30: CVE-2026-6773
vendor_mozilla·CVSS 7.5
CVE-2026-6773 [HIGH] Mozilla Foundation Security Advisory 2026-30: CVE-2026-6773
Mozilla Foundation Security Advisory 2026-30
CVE: CVE-2026-6773
Product: Firefox
Impact: high
Fixed in: Firefox 150
Mozilla
Mozilla Foundation Security Advisory 2026-33: CVE-2026-6773
vendor_mozilla·CVSS 7.5
CVE-2026-6773 [HIGH] Mozilla Foundation Security Advisory 2026-33: CVE-2026-6773
Mozilla Foundation Security Advisory 2026-33
CVE: CVE-2026-6773
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 150
VulDB
Mozilla Firefox up to 149 WebGPU integer overflow (Nessus ID 310632)
vuldb·2026-04-28·CVSS 7.5
CVE-2026-6773 [HIGH] Mozilla Firefox up to 149 WebGPU integer overflow (Nessus ID 310632)
A vulnerability classified as problematic was found in Mozilla Firefox up to 149. This affects an unknown part of the component WebGPU. The manipulation results in integer overflow.
This vulnerability is known as CVE-2026-6773. It is possible to launch the attack remotely. No exploit is available.
Upgrading the affected component is advised.
GHSA
GHSA-7625-jhq2-5p8g: Denial-of-service due to integer overflow in the Graphics: WebGPU component
ghsa_unreviewed·2026-04-21
CVE-2026-6773 [HIGH] CWE-190 GHSA-7625-jhq2-5p8g: Denial-of-service due to integer overflow in the Graphics: WebGPU component
Denial-of-service due to integer overflow in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 150.
No detection rules found.
No public exploits indexed.
2026-04-21
Published