CVE Vulnerabilities

CVE-2026-12324

Improper Check or Handling of Exceptional Conditions

Published: Jun 16, 2026 | Modified: Jun 17, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
3.4 LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N
Ubuntu
MEDIUM
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Incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Weakness

The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product.

Affected Software

NameVendorStart VersionEnd Version
FirefoxMozilla*140.12.0 (excluding)
FirefoxMozilla*152.0.0 (excluding)
ThunderbirdMozilla*140.12.0 (excluding)
ThunderbirdMozilla*152.0.0 (excluding)
Red Hat Enterprise Linux 10RedHatfirefox-0:140.12.0-1.el10_2*
Red Hat Enterprise Linux 8RedHatfirefox-0:140.12.0-1.el8_10*
Red Hat Enterprise Linux 9RedHatfirefox-0:140.12.0-1.el9_8*
Mozjs102Ubuntuesm-apps/noble*
Mozjs102Ubuntujammy*
Mozjs102Ubuntunoble*
Mozjs115Ubuntunoble*
Mozjs52Ubuntuesm-apps/focal*
Mozjs52Ubuntuesm-infra/bionic*
Mozjs68Ubuntuesm-infra/focal*
Mozjs78Ubuntuesm-apps/jammy*
Mozjs78Ubuntujammy*
Mozjs91Ubuntujammy*
ThunderbirdUbuntujammy*

References