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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
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