Bug#866676: libxml-libxml-perl: CVE-2017-10672: Use-after-free in XML::LibXML::Node::replaceChild

[Salvatore Bonaccorso]

Source: libxml-libxml-perl
Version: 2.0116+dfsg-1
Severity: grave
Tags: security upstream
Forwarded: https://rt.cpan.org/Ticket/Display.html?id=122246

Hi,

the following vulnerability was published for libxml-libxml-perl.
Filling this one for now as severity grave, but we might adjust later
the severity if not appropriate.

CVE-2017-10672[0]:
| Use-after-free in the XML-LibXML module through 2.0129 for Perl allows
| remote attackers to execute arbitrary code by controlling the arguments
| to a replaceChild call.

There is no upstream fix yet.

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-2017-10672
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10672
[1] https://rt.cpan.org/Ticket/Display.html?id=122246

Regards,
Salvatore