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CVE-2018-6799

The AcquireCacheNexus function in magick/pixel_cache.c in GraphicsMagick before 1.3.28 allows...

8.8 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.53%Down 0.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.8

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.

Record
CVE-2018-6799
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-119
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2018-6799
Updated
2026-11-02
EUVDEUVD-2018-18546 No score

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.

Record
EUVD-2018-18546
Updated
2026-11-03
GitHub AdvisoriesGHSA-gvph-frf8-8jrv 8.8

The AcquireCacheNexus function in magick/pixel_cache.c in GraphicsMagick before 1.3.28 allows...

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.

Record
GHSA-gvph-frf8-8jrv
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-119
Updated
2026-11-02
OSV 8.8

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.

Record
CVE-2018-6799
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-6799 8.8

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.

Record
DEBIAN-CVE-2018-6799
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2018-6799 8.8

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.

Record
UBUNTU-CVE-2018-6799
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
graphicsmagick
Debian:12
 before 1.3.28-1
1.3.28-1
graphicsmagick
Debian:13
 before 1.3.28-1
1.3.28-1
graphicsmagick
Debian:14
 before 1.3.28-1
1.3.28-1
graphicsmagick
Debian:7
 before 1.3.16-1.1+deb7u18, plus listed versions
1.3.16-1.11.3.16-1.1+deb7u11.3.16-1.1+deb7u101.3.16-1.1+deb7u111.3.16-1.1+deb7u12
Show 13 moreShow less
1.3.16-1.1+deb7u131.3.16-1.1+deb7u141.3.16-1.1+deb7u151.3.16-1.1+deb7u161.3.16-1.1+deb7u171.3.16-1.1+deb7u21.3.16-1.1+deb7u31.3.16-1.1+deb7u41.3.16-1.1+deb7u51.3.16-1.1+deb7u61.3.16-1.1+deb7u71.3.16-1.1+deb7u81.3.16-1.1+deb7u9
1.3.16-1.1+deb7u18
graphicsmagick
Debian:8
From an advisory covering 31 CVEs
 before 1.3.20-3+deb8u4, plus listed versions
1.3.20-3+deb8u11.3.20-3+deb8u21.3.20-3+deb8u3
1.3.20-3+deb8u4
graphicsmagick
Debian:9
From an advisory covering 56 CVEs
 before 1.3.30+hg15796-1~deb9u1, plus listed versions
1.3.25-81.3.26-11.3.26-101.3.26-111.3.26-12
Show 24 moreShow less
1.3.26-131.3.26-141.3.26-151.3.26-161.3.26-171.3.26-181.3.26-191.3.26-21.3.26-31.3.26-41.3.26-51.3.26-61.3.26-71.3.26-81.3.26-91.3.27-11.3.27-21.3.27-31.3.27-41.3.28-11.3.28-21.3.29+hg15665-11.3.29-11.3.30-1
1.3.30+hg15796-1~deb9u1
graphicsmagick
Ubuntu:Pro:14.04:LTS
 All versions, plus listed versions
1.3.16-1.1ubuntu21.3.16-1.1ubuntu31.3.18-1ubuntu31.3.18-1ubuntu3.11.3.18-1ubuntu3.1+esm1
Show 7 moreShow less
1.3.18-1ubuntu3.1+esm21.3.18-1ubuntu3.1+esm31.3.18-1ubuntu3.1+esm41.3.18-1ubuntu3.1+esm51.3.18-1ubuntu3.1+esm61.3.18-1ubuntu3.1+esm71.3.18-1ubuntu3.1+esm8
 None known
graphicsmagick
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
1.3.21-31.3.23-11.3.23-1build11.3.23-1ubuntu0.11.3.23-1ubuntu0.1+esm1
Show 7 moreShow less
1.3.23-1ubuntu0.21.3.23-1ubuntu0.31.3.23-1ubuntu0.41.3.23-1ubuntu0.51.3.23-1ubuntu0.61.3.23-1ubuntu0.6+esm11.3.23-1ubuntu0.6+esm2
 None known

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-6799 is a high vulnerability (CVSS 8.8) in Graphicsmagick, published February 7, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.53%, the 84th percentile. Fixed in graphicsmagick 1.3.28-1.

References

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