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MEDIUM

Mozilla: Cross-Origin Image leak via Offscreen Canvas

Published Jun 11, 2024

Description

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. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.

Affected products

Remediation

Red Hat statement

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

Weaknesses (1)

References (13)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mozilla
Published Jun 11, 2024
Updated Aug 1, 2024
Reserved Jun 6, 2024
CISA Vulnrichment
Updated Jun 14, 2024
NVD
Status Analyzed
Modified Jun 17, 2026
Red Hat
Severity Moderate
Public date Jun 11, 2024
ENISA EUVD
Assigner mozilla
Published Jun 11, 2024
Updated Aug 1, 2024
Exploited since n/a
EUVD-2024-46865