On some systems—depending on the graphics settings and drivers—it was possible to force an out-of-bounds read and leak memory data into the images created on the canvas element. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2023-11-21T14:28:52.188Z

Updated: 2024-08-02T08:21:18.099Z

Reserved: 2023-11-20T13:33:20.318Z

Link: CVE-2023-6204

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2023-11-21T15:15:07.687

Modified: 2023-11-30T16:15:10.803

Link: CVE-2023-6204

cve-icon Redhat

Severity : Important

Publid Date: 2023-11-21T00:00:00Z

Links: CVE-2023-6204 - Bugzilla