| Name | CVE-2018-6799 | 
| Description | The AcquireCacheNexus function in magick/pixel_cache.c in GraphicsMagick before 1.3.28 allows remote attackers to cause a denial of service (heap overwrite) or possibly have unspecified other impact via a crafted image file, because a pixel staging area is not used. | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
| References | DLA-1282-1, DLA-1456-1, DSA-4321-1 | 
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|---|---|---|
| graphicsmagick (PTS) | bullseye (security), bullseye | 1.4+really1.3.36+hg16481-2+deb11u1 | fixed | 
| bookworm, bookworm (security) | 1.4+really1.3.40-4+deb12u1 | fixed | |
| forky, trixie | 1.4+really1.3.45+hg17696-1 | fixed | |
| sid | 1.4+really1.3.46-1 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|---|---|---|---|---|---|
| graphicsmagick | source | wheezy | 1.3.16-1.1+deb7u18 | DLA-1282-1 | ||
| graphicsmagick | source | jessie | 1.3.20-3+deb8u4 | DLA-1456-1 | ||
| graphicsmagick | source | stretch | 1.3.30+hg15796-1~deb9u1 | DSA-4321-1 | ||
| graphicsmagick | source | (unstable) | 1.3.28-1 | 
https://sourceforge.net/p/graphicsmagick/bugs/531/
https://sourceforge.net/p/graphicsmagick/bugs/532/
http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/b41e2efce6d3
http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/d30ed06e9b87