CVE-2026-100763
published 2026-09-29CVE-2026-100763: Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
PriorityP346critical9.1CVSS 3.1
AVNACLPRNUINSUCHINAH
EPSS
0.38%
31.3th percentile
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| mozilla | firefox | < Firefox 157 | Firefox 157 |
| mozilla | firefox | < 157.0.0 | 157.0.0 |
| mozilla | thunderbird | < Thunderbird 157 | Thunderbird 157 |
| mozilla | thunderbird | < 157.0 | 157.0 |
CVSS provenance
nvdv3.19.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
vendor_redhat9.1CRITICAL
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Red Hat
firefox: Incorrect boundary conditions in the Graphics: WebGPU component
vendor_redhat·2026-09-29·CVSS 9.1
CVE-2026-100763 [CRITICAL] CWE-119 firefox: Incorrect boundary conditions in the Graphics: WebGPU component
firefox: Incorrect boundary conditions in the Graphics: WebGPU component
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue:
Incorrect boundary conditions in the Graphics: WebGPU component
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
Mitigation: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Package: firefox (Red Hat Enterprise Linux 10) - No
Mozilla
Mozilla Foundation Security Advisory 2026-101: CVE-2026-100763
vendor_mozilla
CVE-2026-100763 Mozilla Foundation Security Advisory 2026-101: CVE-2026-100763
Mozilla Foundation Security Advisory 2026-101
CVE: CVE-2026-100763
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 157
Mozilla
Mozilla Foundation Security Advisory 2026-97: CVE-2026-100763
vendor_mozilla
CVE-2026-100763 Mozilla Foundation Security Advisory 2026-97: CVE-2026-100763
Mozilla Foundation Security Advisory 2026-97
CVE: CVE-2026-100763
Product: Firefox
Impact: low
Fixed in: Firefox 157
GHSA
Incorrect boundary conditions in the Graphics: WebGPU component.
ghsa_unreviewed·2026-09-29
CVE-2026-100763 Incorrect boundary conditions in the Graphics: WebGPU component.
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 157.
No detection rules found.
No public exploits indexed.
2026-09-29
Published