Incorrect boundary conditions in the Graphics: CanvasWebGL component_CVE-2026-12324

7.3 / 10

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Description

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.

Basic Information

ID CVE-2026-12324

Source mozilla

Published Jun 16, 2026 at 11:52

Modified Jun 16, 2026 at 16:11

Affected Product

Vendor Mozilla

Product Firefox

Version 140.12

CWE Classification

CWE-703

References

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    "published": "2026-06-16T11:52:57.719Z",
    "modified": "2026-06-16T16:11:30.685Z",
    "type": "cve",
    "title": "Incorrect boundary conditions in the Graphics: CanvasWebGL component",
    "source": "mozilla",
    "references": "https://bugzilla.mozilla.org/show_bug.cgi?id=2038444\nhttps://www.mozilla.org/security/advisories/mfsa2026-57/\nhttps://www.mozilla.org/security/advisories/mfsa2026-58/\nhttps://www.mozilla.org/security/advisories/mfsa2026-60/\nhttps://www.mozilla.org/security/advisories/mfsa2026-61/",
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    "cvss": {
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