USN-3494-1: XML::LibXML vulnerability
Ubuntu Security Notice USN-3494-1
27th November, 2017
libxml-libxml-perl vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
XML::LibXML could be made to crash or run programs if it processed
specially crafted input.
Software description
- libxml-libxml-perl
– Perl interface to the libxml2 library
Details
It was discovered that XML::LibXML incorrectly handled memory when
processing a replaceChild call. A remote attacker could possibly use this
issue to execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 17.10:
-
libxml-libxml-perl
2.0128+dfsg-3ubuntu0.1
- Ubuntu 17.04:
-
libxml-libxml-perl
2.0128+dfsg-1ubuntu0.1
- Ubuntu 16.04 LTS:
-
libxml-libxml-perl
2.0123+dfsg-1ubuntu0.1
- Ubuntu 14.04 LTS:
-
libxml-libxml-perl
2.0108+dfsg-1ubuntu0.2
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3494-1: XML::LibXML vulnerability
