CVE-2024-5693

Mozilla: Cross-Origin Image leak via Offscreen Canvas

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Severity

Moderate

Red Hat Product Security

6.1

CVSS 3.1

Review impact separately from score.

Published · June 11, 2024

Updated · November 21, 2025

Description

The Mozilla Foundation Security Advisory describes this flaw as:

Offscreen Canvas did not properly track cross-origin tainting, which could be used to access image data from another site in violation of same-origin policy.

Statement

Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CWE-829 · Inclusion of Functionality from Untrusted Control Sphere