PT-2026-30824 · Mozilla · Firefox

Inseo An · Published 2026-04-07 · Updated 2026-04-07 · CVE-2026-5733

Mitre

CVSS v3.1

8.8

High

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability affects Firefox < 149.0.2.

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2026-5733

Affected Products

Firefox

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-5733 · Security Note
• https://mozilla.org/security/advisories/mfsa2026-25 · Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=2022554 · Note