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6.1 Medium

CVE-2024-1550 A malicious website could have used a combination of exiting fullscreen mode and `requestPointerLock` to cause the…

Description

A malicious website could have used a combination of exiting fullscreen mode and `requestPointerLock` to cause the user's mouse to be re-positioned unexpectedly, which could have led to user confusion and inadvertently granting permissions they did not intend to grant. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.

Affected products and versions

Product Affected versions Fixed in
Firefox 123 earliest → < 123 123
Firefox ESR 115.8 earliest → < 115.8 115.8
Thunderbird 115.8 earliest → < 115.8 115.8

Other CVEs of Firefox

The 2221 CVEs of Firefox →
CVE-2026-120572 Incorrect boundary conditions in the Layout: Block and Inline component 8.8 High CVE-2026-118027 Frame poisoning in the Layout component 9.1 Critical CVE-2026-118026 Invalid pointer in the JavaScript: GC component 8.8 High CVE-2026-118025 Other issue in the SVG component 8.8 High
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