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5.3 Medium

CVE-2026-6783 Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component

Description

Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Affected products and versions

Product Affected versions Fixed in
Firefox 150 earliest → < 150 150
Thunderbird 150 earliest → < 150 150

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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