CVE-2026-5733

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

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=2022554	Issue Tracking Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-25/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-28/
https://access.redhat.com/security/cve/CVE-2026-5733
https://bugzilla.redhat.com/show_bug.cgi?id=2455902
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5733.json

Configurations

Configuration 1 (hide)

cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*

History

No history.

Information

Published : 2026-04-07 13:16

Updated : 2026-07-15 01:16

NVD link : CVE-2026-5733

Mitre link : CVE-2026-5733

CVE.ORG link : CVE-2026-5733

JSON object : View

Products Affected

mozilla

firefox

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-787

Out-of-bounds Write

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