Ubuntu Security Notice 3739-2 - USN-3739-1 fixed a vulnerability in libxml2. This update provides the corresponding update for Ubuntu 12.04. Matias Brutti discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to expose sensitive information. Various other issues were also addressed.
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Ubuntu Security Notice USN-3739-2
August 14, 2018
libxml2 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
Several security issues were fixed in libxml2.
Software Description:
- libxml2: GNOME XML library
Details:
USN-3739-1 fixed a vulnerability in libxml2. This update provides
the corresponding update for Ubuntu 12.04.
Original advisory details:
Matias Brutti discovered that libxml2 incorrectly handled certain XML
files. An attacker could possibly use this issue to expose sensitive
information. (CVE-2016-9318)
It was discovered that libxml2 incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of
service. (CVE-2018-14404)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
libxml2 2.7.8.dfsg-5.1ubuntu4.21
libxml2-utils 2.7.8.dfsg-5.1ubuntu4.21
python-libxml2 2.7.8.dfsg-5.1ubuntu4.21
In general, a standard system update will make all the necessary
changes.
References:
https://usn.ubuntu.com/usn/usn-3739-2
https://usn.ubuntu.com/usn/usn-3739-1
CVE-2016-9318, CVE-2018-14404