CVE-2026-12324 (GCVE-0-2026-12324)

Vulnerability from cvelistv5 – Published: 2026-06-16 11:52 – Updated: 2026-06-16 16:11
VLAI
Title
Incorrect boundary conditions in the Graphics: CanvasWebGL component
Summary
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.
Severity
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-703 - Improper Check or Handling of Exceptional Conditions
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 140.12 , ≤ 140.* (rpm)
Unaffected: 152 , ≤ * (rpm)
Create a notification for this product.
Mozilla Thunderbird Unaffected: 140.12 , ≤ 140.* (rpm)
Unaffected: 152 , ≤ * (rpm)
Create a notification for this product.
Credits
Mihalis Haatainen
Show details on NVD website
To clipboard 

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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