[xml/sgml-pkgs] Bug#840553: libxml2: CVE-2016-4658

[Salvatore Bonaccorso]

Source: libxml2
Version: 2.9.4+dfsg1-2
Severity: grave
Tags: security upstream patch fixed-upstream

Hi,

the following vulnerability was published for libxml2.

CVE-2016-4658[0]:
| libxml2 in Apple iOS before 10, OS X before 10.12, tvOS before 10, and
| watchOS before 3 allows remote attackers to execute arbitrary code or
| cause a denial of service (memory corruption) via a crafted XML
| document.

Although the MITRE description at the moment explicitly mention that
as Apple related, the upstream commit is now know as [1].

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2016-4658
[1] https://git.gnome.org/browse/libxml2/commit/?id=c1d1f7121194036608bf555f08d3062a36fd344b

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore