Bug#917325: poppler: CVE-2018-20481

[Salvatore Bonaccorso]

Source: poppler
Version: 0.69.0-2
Severity: important
Tags: patch security upstream
Forwarded: https://gitlab.freedesktop.org/poppler/poppler/issues/692
Control: found -1 0.69.0-2
Control: found -1 0.71.0-1

Hi,

The following vulnerability was published for poppler.

CVE-2018-20481[0]:
| XRef::getEntry in XRef.cc in Poppler 0.72.0 mishandles unallocated XRef
| entries, which allows remote attackers to cause a denial of service
| (NULL pointer dereference) via a crafted PDF document, when
| XRefEntry::setFlag in XRef.h is called from Parser::makeStream in
| Parser.cc.

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-2018-20481
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20481
[1] https://gitlab.freedesktop.org/poppler/poppler/issues/692
[2] https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore