The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS (Available with Ubuntu Pro): gerbv 2.8.2-1ubuntu0.1~esm1 Ubuntu 20.04 LTS: gerbv 2.7.0-1ubuntu0.1 Ubuntu 18.04 LTS (Available with Ubuntu Pro): gerbv 2.6.1-3ubuntu0.1~esm1 Ubuntu 16.04 LTS (Available with Ubuntu Pro): gerbv 2.6.0-1ubuntu0.16.04.1~esm1 Ubuntu 14.04 LTS (Available with Ubuntu Pro): gerbv 2.6.0-1ubuntu0.14.04.1~esm1 In general, a standard system update will make all the necessary changes.
CVE-2021-40391, CVE-2021-40393, CVE-2021-40394, CVE-2021-40400,
CVE-2021-40401, CVE-2021-40403
https://launchpad.net/ubuntu/+source/gerbv/2.7.0-1ubuntu0.1
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