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CVE-2021-23965 PUBLISHED

Mozilla developers reported memory safety bugs present in Firefox 84. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 85.

EPSS 0.32% · 55.2th percentile

Risk Scores

EPSS Score
0.32%
55.2th percentile

Affected Products

VendorProductVersions
Ubuntu:20.04:LTSmozjs520, 52.9.1-1build1, 52.9.1-1ubuntu3
Ubuntu:20.04:LTSfirefox74.0+build2-0ubuntu1, 74.0+build1-0ubuntu1, 73.0.1+build1-0ubuntu1
Ubuntu:18.04:LTSmozjs380, 38.8.0~repack1-0ubuntu1, 38.8.0~repack1-0ubuntu3
Ubuntu:18.04:LTSfirefox66.0.2+build1-0ubuntu0.18.04.1, 66.0.1+build1-0ubuntu0.18.04.1, 66.0+build3-0ubuntu0.18.04.1
Ubuntu:22.04:LTSmozjs7878.15.0-4ubuntu1, 0, 78.13.0-1
Ubuntu:18.04:LTSmozjs5252.9.1-0ubuntu0.18.04.1, 0, 52.3.1-0ubuntu3
Ubuntu:16.04:LTSfirefox81.0+build2-0ubuntu0.16.04.1, 80.0.1+build1-0ubuntu0.16.04.1, 80.0+build2-0ubuntu0.16.04.1
Ubuntu:20.04:LTSmozjs680, 68.5.0-1~fakesync, 68.5.0-2~fakesync

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References

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