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CVE-2017-7800 PUBLISHED

A use-after-free vulnerability can occur in WebSockets when the object holding the connection is freed before the disconnection operation is finished. This results in an exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

EPSS 4.28% · 88.8th percentile

Risk Scores

EPSS Score
4.28%
88.8th percentile

Affected Products

VendorProductVersions
Ubuntu:14.04:LTSthunderbird0, 1:24.0+build1-0ubuntu1, 1:24.0+build1-0ubuntu2
Ubuntu:14.04:LTSfirefox44.0+build3-0ubuntu0.14.04.1, 44.0.1+build2-0ubuntu0.14.04.1, 44.0.2+build1-0ubuntu0.14.04.1
Ubuntu:16.04:LTSthunderbird0, 1:38.3.0+build1-0ubuntu2, 1:38.5.1+build2-0ubuntu1
Ubuntu:18.04:LTSthunderbird0
Ubuntu:16.04:LTSfirefox50.0+build2-0ubuntu0.16.04.2, 50.0.2+build1-0ubuntu0.16.04.1, 50.1.0+build2-0ubuntu0.16.04.1

Timeline

References

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