USN-3504-2: libxml2 vulnerability
5 December 2017
curl could be made to crash if it received specially crafted input.
Releases
Packages
- libxml2 - GNOME XML library
Details
USN-3504-1 fixed a vulnerability in libxml2. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Wei Lei discovered that libxml2 incorrecty handled certain parameter
entities. 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
The problem can be corrected by updating your system to the following package versions:
Ubuntu 12.04
-
libxml2
-
2.7.8.dfsg-5.1ubuntu4.19
-
libxml2-utils
-
2.7.8.dfsg-5.1ubuntu4.19
-
python-libxml2
-
2.7.8.dfsg-5.1ubuntu4.19
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-3504-1: libxml2, libxml2-dev, libxml2-utils, python3-libxml2, libxml2-udeb, python-libxml2, libxml2-doc
- USN-3739-1: libxml2, libxml2-dev, libxml2-utils, python3-libxml2, libxml2-udeb, python-libxml2, libxml2-doc