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CVE-2021-29949 PUBLISHED

When loading the shared library that provides the OTR protocol implementation, Thunderbird will initially attempt to open it using a filename that isn't distributed by Thunderbird. If a computer has already been infected with a malicious library of the alternative filename, and the malicious library has been copied to a directory that is contained in the search path for executable libraries, then Thunderbird will load the incorrect library. This vulnerability affects Thunderbird < 78.9.1.

EPSS 0.06% · 19.4th percentile

Risk Scores

EPSS Score
0.06%
19.4th percentile

Affected Products

VendorProductVersions
Ubuntu:18.04:LTSthunderbird1:52.4.0+build1-0ubuntu2, 1:52.6.0+build1-0ubuntu1, 1:52.8.0+build1-0ubuntu0.18.04.1
Ubuntu:20.04:LTSthunderbird0, 1:68.1.2+build1-0ubuntu1, 1:68.1.2+build1-0ubuntu2

Timeline

References

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