CVE-2026-5733

HIGH EPSS 19.4%
Published Apr 7, 20262mo ago · Modified Jun 17, 20261w ago
8.8 CVSS 3.1
High
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Published Apr 7, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

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

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
19.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety

Affected Products 1

VendorProductVersionRange
mozillafirefox* <149.0.2

References 3

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=2022554
    Issue TrackingPermissions Required
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2026-25/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2026-28/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.