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CVE-2021-24000 PUBLISHED

A race condition with requestPointerLock() and setTimeout() could have resulted in a user interacting with one tab when they believed they were on a separate tab. In conjunction with certain elements (such as &lt;input type="file"&gt;) this could have led to an attack where a user was confused about the origin of the webpage and potentially disclosed information they did not intend to. This vulnerability affects Firefox < 88.

EPSS 0.23% · 46.1th percentile

Risk Scores

EPSS Score
0.23%
46.1th percentile

Affected Products

VendorProductVersions
Ubuntu:20.04:LTSmozjs5252.9.1-1build1, 0, 52.9.1-1ubuntu3
Ubuntu:20.04:LTSfirefox86.0.1+build1-0ubuntu0.20.04.1, *, *
Ubuntu:16.04:LTSfirefox81.0.2+build1-0ubuntu0.16.04.1, 82.0.2+build1-0ubuntu0.16.04.1, 83.0+build2-0ubuntu0.16.04.3
Ubuntu:18.04:LTSfirefox*, 0, 56.0+build6-0ubuntu1
Ubuntu:18.04:LTSmozjs380, *, 38.8.0~repack1-0ubuntu3
Ubuntu:18.04:LTSmozjs520, 52.8.1-0ubuntu0.18.04.1, 52.9.1-0ubuntu0.18.04.1
Ubuntu:20.04:LTSmozjs6868.6.0-1ubuntu1, 0, 68.5.0-1~fakesync
Ubuntu:22.04:LTSmozjs780, 78.15.0-4ubuntu1, 78.15.0-2

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References

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