Bug#908304: ghostscript: CVE-2018-16510

[Salvatore Bonaccorso <carnil@debian.org>]

Source: ghostscript
Version: 9.22~dfsg-3
Severity: grave
Tags: patch security upstream
Justification: user security hole
Forwarded: https://bugs.ghostscript.com/show_bug.cgi?id=699671

Hi,

The following vulnerability was published for ghostscript.

CVE-2018-16510[0]:
| An issue was discovered in Artifex Ghostscript before 9.24. Incorrect
| exec stack handling in the "CS" and "SC" PDF primitives could be used
| by remote attackers able to supply crafted PDFs to crash the
| interpreter or possibly have unspecified other impact.

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-2018-16510
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16510
[1] https://bugs.ghostscript.com/show_bug.cgi?id=699671
[2] http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=ea735ba37dc0fd5f5622d031830b9a559dec1cc9

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore