1. Ubuntu Security Notices
  2. USN-3513-2

USN-3513-2: libxml2 vulnerability

Publication date

13 December 2017

Overview

libxml2 could be made to crash or run arbitrary code if it opened a specially crafted file.

Releases

Packages

Details

USN-3513-1 fixed a vulnerability in libxml2. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that libxml2 incorrecty handled certain files. An attacker
could use this issue with specially constructed XML data to cause libxml2 to
consume resources, leading to a denial of service.

USN-3513-1 fixed a vulnerability in libxml2. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that libxml2 incorrecty handled certain files. An attacker
could use this issue with specially constructed XML data to cause libxml2 to
consume resources, leading to a denial of service.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
12.04 precise libxml2 –  2.7.8.dfsg-5.1ubuntu4.20
libxml2-utils –  2.7.8.dfsg-5.1ubuntu4.20
python-libxml2 –  2.7.8.dfsg-5.1ubuntu4.20

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References

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