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Ubuntu 20.04/22.04 USN-5741-1 Moderate Exim Denial Of Service

ubuntu
Calendar Grey November 24, 2022
Dist Ubuntu Esm H88
Exim's vulnerabilities can cause system instability or unauthorized code execution on Ubuntu due to improper regular expression handling. Secure configuration guidance is provided
Exim could be made to crash or run programs if it processed specially crafted regular expressions.

Summary

Topics%20covered

Topics Covered

security advisory software update Ubuntu Denial of Service Exim

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 22.10: exim4-base 4.96-3ubuntu1.1 exim4-daemon-heavy 4.96-3ubuntu1.1 exim4-daemon-light 4.96-3ubuntu1.1 Ubuntu 22.04 LTS: exim4-base 4.95-4ubuntu2.2 exim4-daemon-heavy 4.95-4ubuntu2.2 exim4-daemon-light 4.95-4ubuntu2.2 Ubuntu 20.04 LTS: exim4-base 4.93-13ubuntu1.7 exim4-daemon-heavy 4.93-13ubuntu1.7 exim4-daemon-light 4.93-13ubuntu1.7 Ubuntu 18.04 LTS: exim4-base 4.90.1-1ubuntu1.10 exim4-daemon-heavy 4.90.1-1ubuntu1.10 exim4-daemon-light 4.90.1-1ubuntu1.10 In general, a standard system update will make all the necessary changes.

References

CVE-2022-3559

November 24, 2022

Topics%20covered

Topics Covered

security advisory software update Ubuntu Denial of Service Exim

Package Information

https://launchpad.net/ubuntu/+source/exim4/4.96-3ubuntu1.1 https://launchpad.net/ubuntu/+source/exim4/4.95-4ubuntu2.2 https://launchpad.net/ubuntu/+source/exim4/4.93-13ubuntu1.7 https://launchpad.net/ubuntu/+source/exim4/4.90.1-1ubuntu1.10

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