DSA-4086-1 libxml2 -- security update

Debian Security Advisory

DSA-4086-1 libxml2 -- security update

Date Reported:

13 Jan 2018

Affected Packages:

libxml2

Vulnerable:

Yes

Security database references:

In the Debian bugtracking system: Bug 883790.
In Mitre's CVE dictionary: CVE-2017-15412.

More information:

Nick Wellnhofer discovered that certain function calls inside XPath predicates can lead to use-after-free and double-free errors when executed by libxml2's XPath engine via an XSLT transformation.

For the oldstable distribution (jessie), this problem has been fixed in version 2.9.1+dfsg1-5+deb8u6.

For the stable distribution (stretch), this problem has been fixed in version 2.9.4+dfsg1-2.2+deb9u2.

We recommend that you upgrade your libxml2 packages.

For the detailed security status of libxml2 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/libxml2