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USN-2834-1: libxml2 vulnerabilities

14 December 2015

libxml2 could be made to crash if it opened a specially crafted file.

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Releases

Packages

Details

Kostya Serebryany discovered that libxml2 incorrectly handled certain
malformed documents. If a user or automated system were tricked into
opening a specially crafted document, an attacker could possibly cause
libxml2 to crash, resulting in a denial of service. (CVE-2015-5312,
CVE-2015-7497, CVE-2015-7498, CVE-2015-7499,CVE-2015-7500)

Hugh Davenport discovered that libxml2 incorrectly handled certain
malformed documents. If a user or automated system were tricked into
opening a specially crafted document, an attacker could possibly cause
libxml2 to crash, resulting in a denial of service. (CVE-2015-8241,
CVE-2015-8242)

Hanno Boeck discovered that libxml2 incorrectly handled certain
malformed documents. If a user or automated system were tricked into
opening a specially crafted document, an attacker could possibly cause
libxml2 to crash, resulting in a denial of service. This issue only applied
to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 15.04. (CVE-2015-8317)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 15.10
Ubuntu 15.04
Ubuntu 14.04
Ubuntu 12.04

After a standard system update you need to reboot your computer to make
all the necessary changes.

Related notices

  • USN-2875-1: python-libxml2, libxml2-dev, libxml2-doc, libxml2-udeb, libxml2, libxml2-utils