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Ubuntu 19.04: 4040-1 High RAM Consumption: Expat Denial Of Service

ubuntu
Calendar Grey June 26, 2019
Dist Ubuntu Esm H88
A security flaw in Expat on Ubuntu might result in excessive RAM consumption when handling harmful XML files. Ensure you maintain safety by applying updates regularly.
Expat could be made to consume a high amount of RAM and CPU resources if it received a specially crafted XML file.

Summary

Topics%20covered

Topics Covered

security advisory denial of service ubuntu expat RAM consumption

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04: libexpat1 2.2.6-1ubuntu0.19.04 Ubuntu 18.10: libexpat1 2.2.6-1ubuntu0.18.10 Ubuntu 18.04 LTS: libexpat1 2.2.5-3ubuntu0.1 Ubuntu 16.04 LTS: lib64expat1 2.1.0-7ubuntu0.16.04.4 libexpat1 2.1.0-7ubuntu0.16.04.4 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4040-1

CVE-2018-20843

Severity
important
Lowest
Low
Medium
High
Critical

June 26, 2019

Topics%20covered

Topics Covered

security advisory denial of service ubuntu expat RAM consumption

Package Information

https://launchpad.net/ubuntu/+source/expat/2.2.6-1ubuntu0.19.04 https://launchpad.net/ubuntu/+source/expat/2.2.6-1ubuntu0.18.10 https://launchpad.net/ubuntu/+source/expat/2.2.5-3ubuntu0.1 https://launchpad.net/ubuntu/+source/expat/2.1.0-7ubuntu0.16.04.4

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