CVE-2023-25741

When dragging and dropping an image cross-origin, the image's size could potentially be leaked. This behavior was shipped in 109 and caused web compatibility problems as well as this security concern, so the behavior was disabled until further review. This vulnerability affects Firefox < 110.

• CWE-203

• https://bugzilla.mozilla.org/show_bug.cgi?id=1437126Issue Tracking, Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1812611Exploit, Issue Tracking, Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1813376Issue Tracking, Permissions Required
• https://www.mozilla.org/security/advisories/mfsa2023-05/Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1437126Issue Tracking, Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1812611Exploit, Issue Tracking, Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1813376Issue Tracking, Permissions Required
• https://www.mozilla.org/security/advisories/mfsa2023-05/Vendor Advisory

Published

Jun 2, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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• CVE-2023-25739Module load requests that failed were not being checked as t…8.8
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• CVE-2023-25742When importing a SPKI RSA public key as ECDSA P-256, the key…6.5
• CVE-2023-25743A lack of in app notification for entering fullscreen mode c…7.5
• CVE-2023-25744Mmemory safety bugs present in Firefox 109 and Firefox ESR 1…8.8
• CVE-2023-25745Memory safety bugs present in Firefox 109. Some of these bug…8.8
• CVE-2023-25746Memory safety bugs present in Firefox ESR 102.7. Some of the…8.8
• CVE-2023-25747A potential use-after-free in libaudio was fixed by disablin…7.5