Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 428
Alerts This Week
Warning Icon 1 428

Ubuntu 4040-2: Expat Denial Of Service Security Advisory

ubuntu
Calendar Grey June 26, 2019
Dist Ubuntu Esm H88
Expat vulnerability advisory for Ubuntu detailing high resource consumption issue and fixes available through updates.
Expat could be made to consume a high amount of RAM and CPU resources if it received a specially crafted XML file.

Summary

Expat could be made to consume a high amount of RAM and CPU

resources if it received a specially crafted XML file.

Software Description:

- expat: XML parsing C library

Details:

USN-4040-1 fixed a vulnerability in expat. This update provides

the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that Expat incorrectly handled certain XML files.

An attacker could possibly use this issue to cause a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service ubuntu resource consumption expat

Update Instructions

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

Ubuntu 14.04 ESM:
  lib64expat1                     2.1.0-4ubuntu1.4+esm1
  libexpat1                       2.1.0-4ubuntu1.4+esm1

Ubuntu 12.04 ESM:
  lib64expat1                     2.0.1-7.2ubuntu1.6
  libexpat1                       2.0.1-7.2ubuntu1.6

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

References

https://ubuntu.com/security/notices/USN-4040-2

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

CVE-2018-20843

Severity
critical
Lowest
Low
Medium
High
Critical

June 26, 2019

Topics%20covered

Topics Covered

security advisory denial of service ubuntu resource consumption expat

Package Information

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.