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CVE-2021-23983 PUBLISHED

By causing a transition on a parent node by removing a CSS rule, an invalid property for a marker could have been applied, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 87.

EPSS 0.37% · 58.4th percentile

Risk Scores

EPSS Score
0.37%
58.4th percentile

Affected Products

VendorProductVersions
Ubuntu:16.04:LTSfirefox84.0+build3-0ubuntu0.16.04.1, 0, 41.0.2+build2-0ubuntu1
Ubuntu:20.04:LTSmozjs6868.5.0-1~fakesync, 0, 68.6.0-1ubuntu1
Ubuntu:18.04:LTSmozjs3838.8.0~repack1-0ubuntu4, 38.8.0~repack1-0ubuntu1, 0
Ubuntu:18.04:LTSmozjs5252.8.1-0ubuntu0.18.04.1, 52.3.1-7fakesync1, 52.3.1-0ubuntu3
Ubuntu:20.04:LTSfirefox82.0+build2-0ubuntu0.20.04.1, *, 0
Ubuntu:22.04:LTSmozjs7878.15.0-2, 78.13.0-1, 0
Ubuntu:18.04:LTSfirefox84.0+build3-0ubuntu0.18.04.1, 84.0.2+build1-0ubuntu0.18.04.1, 85.0+build1-0ubuntu0.18.04.1
Ubuntu:20.04:LTSmozjs5252.9.1-1ubuntu3, 52.9.1-1build1, 0

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References

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