CVE-2026-6778mediumCWE-476CWE-824

CVE-2026-6778: medium-severity vulnerability in Mozilla Firefox

Invalid pointer in the Audio/Video: Playback component

Published · Updated

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.3epss 0.3%
Invalid pointer in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
Mozilla · FirefoxMozilla · Thunderbird
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