[Secure-testing-team] Bug#881391: graphicsmagick: CVE-2017-16669: Heap buffer over-write in AcquireCacheNexus function in magick/pixel_cache.c

[Salvatore Bonaccorso]

Source: graphicsmagick
Version: 1.3.26-18
Severity: important
Tags: security upstream
Forwarded: https://sourceforge.net/p/graphicsmagick/bugs/450/

Hi,

the following vulnerability was published for graphicsmagick.

CVE-2017-16669[0]:
| coders/wpg.c in GraphicsMagick 1.3.26 allows remote attackers to cause
| a denial of service (heap-based buffer overflow and application crash)
| or possibly have unspecified other impact via a crafted file, related
| to the AcquireCacheNexus function in magick/pixel_cache.c.

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-2017-16669
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16669
[1] https://sourceforge.net/p/graphicsmagick/bugs/450/

Please adjust the affected versions in the BTS as needed. LTS team has
released a DLA for this issue, so I guess (but have not checked!)
every older version is affected as well from the issue.

Regards,
Salvatore