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Unscored USN-4958-1 0 CVEs

caribou vulnerability

Published May 17, 2021 · Updated Apr 22, 2026

Summary

It was discovered that the Caribou onscreen keyboard could be made
to crash when given certain input values. An attacker could use this
to bypass screen-locking applications that support using Caribou as
an input mechanism.

Fixed packages 1

ReleasePackageFixed in
Ubuntu · 20.04 LTS 20.04:LTS caribou 0.4.21-7ubuntu0.20.04.1

References

  • report
    https://launchpad.net/bugs/1912060