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Ubuntu 18.04 LTS USN-5431-1 Critical GnuPG Denial Of Service

ubuntu
Calendar Grey May 30, 2022
Dist Ubuntu Esm H88
GnuPG on Ubuntu 20.04 may become unresponsive. Upgrade your system to address the denial of service vulnerability that has been identified.
GnuPG could be made to stop responding.

Summary

GnuPG could be made to stop responding.

Software Description:

- gnupg2: GNU privacy guard - a free PGP replacement

Details:

It was discovered that GnuPG was not properly processing keys

with large amounts of signatures. An attacker could possibly

use this issue to cause a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service gnupg critical software issue ubuntu

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS:
   gnupg                           2.2.4-1ubuntu1.5

In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-5431-1

  CVE-2019-13050

Severity
critical
Lowest
Low
Medium
High
Critical

May 30, 2022

Topics%20covered

Topics Covered

security advisory denial of service gnupg critical software issue ubuntu

Package Information

  https://launchpad.net/ubuntu/+source/gnupg2/2.2.4-1ubuntu1.5

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