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CVE-2026-5733 Details

Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 149.0.2 and Thunderbird 149.0.2.

CVSS 3.x Severity and Vector Strings:

CNA: redhat-SADPCVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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URL	Source(s)	Tag(s)
https://access.redhat.com/security/cve/CVE-2026-5733	redhat-SADP
https://bugzilla.redhat.com/show_bug.cgi?id=2455902	redhat-SADP
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5733.json	redhat-SADP
https://bugzilla.mozilla.org/show_bug.cgi?id=2022554	[email protected]	Issue TrackingPermissions Required
https://www.mozilla.org/security/advisories/mfsa2026-25/	[email protected]	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-28/	[email protected]

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	CISA-ADP
CWE-787	Out-of-bounds Write	redhat-SADP

Product	Versions
mozilla firefox	< 149.0.2
CPE cpe:2.3:a:mozilla:firefox:::::-:::* Remediation No remediation found in references.

9 change records found show changes

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