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CVE-2018-11655

In ImageMagick 7.0.7-20 Q16 x86_64, a memory leak vulnerability was found in the function...

6.5 MediumFix available

In ImageMagick 7.0.7-20 Q16 x86_64, a memory leak vulnerability was found in the function GetImagePixelCache in MagickCore/cache.c, which allows attackers to cause a denial of service via a crafted CALS image file.

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
None
Integrity
None
Availability
High

Exploit likelihood

1.69%Up 0.9 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.5

In ImageMagick 7.0.7-20 Q16 x86_64, a memory leak vulnerability was found in the function GetImagePixelCache in MagickCore/cache.c, which allows attackers to cause a denial of service via a crafted CALS image file.

Record
CVE-2018-11655
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-772
Updated
2026-11-02
CVE List No score

In ImageMagick 7.0.7-20 Q16 x86_64, a memory leak vulnerability was found in the function GetImagePixelCache in MagickCore/cache.c, which allows attackers to cause a denial of service via a crafted CALS image file.

Record
CVE-2018-11655
Updated
2026-11-02
EUVDEUVD-2018-3675 No score

In ImageMagick 7.0.7-20 Q16 x86_64, a memory leak vulnerability was found in the function GetImagePixelCache in MagickCore/cache.c, which allows attackers to cause a denial of service via a crafted CALS image file.

Record
EUVD-2018-3675
Updated
2026-11-03
GitHub AdvisoriesGHSA-fw8f-2256-8c8c 6.5

In ImageMagick 7.0.7-20 Q16 x86_64, a memory leak vulnerability was found in the function...

In ImageMagick 7.0.7-20 Q16 x86_64, a memory leak vulnerability was found in the function GetImagePixelCache in MagickCore/cache.c, which allows attackers to cause a denial of service via a crafted CALS image file.

Record
GHSA-fw8f-2256-8c8c
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-772
Updated
2026-11-02
OSV 6.5

In ImageMagick 7.0.7-20 Q16 x86_64, a memory leak vulnerability was found in the function GetImagePixelCache in MagickCore/cache.c, which allows attackers to cause a denial of service via a crafted CALS image file.

Record
CVE-2018-11655
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-11655 6.5

In ImageMagick 7.0.7-20 Q16 x86_64, a memory leak vulnerability was found in the function GetImagePixelCache in MagickCore/cache.c, which allows attackers to cause a denial of service via a crafted CALS image file.

Record
DEBIAN-CVE-2018-11655
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2018-11655 6.5

In ImageMagick 7.0.7-20 Q16 x86_64, a memory leak vulnerability was found in the function GetImagePixelCache in MagickCore/cache.c, which allows attackers to cause a denial of service via a crafted CALS image file.

Record
UBUNTU-CVE-2018-11655
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVSUSE-SU-2018:1851-1 No score

Security update for ImageMagick

This update for ImageMagick fixes the following issues:

These security issues were fixed:

  • CVE-2017-13758: Prevent heap-based buffer overflow in the TracePoint() function (bsc#1056277).
  • CVE-2017-10928: Prevent heap-based buffer over-read in the GetNextToken function that allowed remote attackers to obtain sensitive information from process memory or possibly have unspecified other impact via a crafted SVG document (bsc#1047356).
  • CVE-2018-9133: Long compute times in the tiff decoder have been fixed (bsc#1087820).
  • CVE-2018-11251: Heap-based buffer over-read in ReadSUNImage in coders/sun.c, which allows attackers to cause denial of service (bsc#1094237).
  • CVE-2017-18271: Infinite loop in the function ReadMIFFImage in coders/miff.c, which allows attackers to cause a denial of service (bsc#1094204).
  • CVE-2018-11655: Memory leak in the GetImagePixelCache in MagickCore/cache.c was fixed (bsc#1095730)
  • CVE-2018-10804: Memory leak in WriteTIFFImage in coders/tiff.c was fixed (bsc#1095813)
  • CVE-2018-10805: Fixed memory leaks in bgr.c, rgb.c, cmyk.c, gray.c, ycbcr.c (bsc#1095812)
Record
SUSE-SU-2018:1851-1
Updated
2026-11-02
OSVUSN-3681-1 No score

imagemagick vulnerabilities

It was discovered that ImageMagick incorrectly handled certain malformed image files. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or possibly execute code with the privileges of the user invoking the program.

Record
USN-3681-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
imagemagick
Debian:12
before 8:6.9.9.34+dfsg-3
8:6.9.9.34+dfsg-3
imagemagick
Debian:13
before 8:6.9.9.34+dfsg-3
8:6.9.9.34+dfsg-3
imagemagick
Debian:14
before 8:6.9.9.34+dfsg-3
8:6.9.9.34+dfsg-3
ImageMagick
SUSE:Linux Enterprise Desktop 12 SP3
From an advisory covering 8 CVEs
before 6.8.8.1-71.65.1
6.8.8.1-71.65.1
ImageMagick
SUSE:Linux Enterprise Software Development Kit 12 SP3
From an advisory covering 8 CVEs
before 6.8.8.1-71.65.1
6.8.8.1-71.65.1
ImageMagick
SUSE:Linux Enterprise Server 12 SP3
From an advisory covering 8 CVEs
before 6.8.8.1-71.65.1
6.8.8.1-71.65.1
ImageMagick
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
From an advisory covering 8 CVEs
before 6.8.8.1-71.65.1
6.8.8.1-71.65.1
ImageMagick
SUSE:Linux Enterprise Workstation Extension 12 SP3
From an advisory covering 8 CVEs
before 6.8.8.1-71.65.1
6.8.8.1-71.65.1
imagemagick
Ubuntu:14.04:LTS
before 8:6.7.7.10-6ubuntu3.11, plus listed versions
8:6.7.7.10-5ubuntu38:6.7.7.10-5ubuntu48:6.7.7.10-6ubuntu18:6.7.7.10-6ubuntu28:6.7.7.10-6ubuntu3
Show 9 moreShow less
8:6.7.7.10-6ubuntu3.18:6.7.7.10-6ubuntu3.28:6.7.7.10-6ubuntu3.38:6.7.7.10-6ubuntu3.48:6.7.7.10-6ubuntu3.58:6.7.7.10-6ubuntu3.68:6.7.7.10-6ubuntu3.78:6.7.7.10-6ubuntu3.88:6.7.7.10-6ubuntu3.9
8:6.7.7.10-6ubuntu3.11
imagemagick
Ubuntu:16.04:LTS
before 8:6.8.9.9-7ubuntu5.11, plus listed versions
8:6.8.9.9-5ubuntu28:6.8.9.9-68:6.8.9.9-6build18:6.8.9.9-78:6.8.9.9-7ubuntu1
Show 13 moreShow less
8:6.8.9.9-7ubuntu28:6.8.9.9-7ubuntu38:6.8.9.9-7ubuntu48:6.8.9.9-7ubuntu58:6.8.9.9-7ubuntu5.18:6.8.9.9-7ubuntu5.28:6.8.9.9-7ubuntu5.38:6.8.9.9-7ubuntu5.48:6.8.9.9-7ubuntu5.58:6.8.9.9-7ubuntu5.68:6.8.9.9-7ubuntu5.78:6.8.9.9-7ubuntu5.88:6.8.9.9-7ubuntu5.9
8:6.8.9.9-7ubuntu5.11
Show 4 moreShow less
Affected packages
PackageAffectedFixed
imagemagick
Ubuntu:18.04:LTS
before 8:6.9.7.4+dfsg-16ubuntu6.2, plus listed versions
8:6.9.7.4+dfsg-16ubuntu28:6.9.7.4+dfsg-16ubuntu38:6.9.7.4+dfsg-16ubuntu48:6.9.7.4+dfsg-16ubuntu58:6.9.7.4+dfsg-16ubuntu6
8:6.9.7.4+dfsg-16ubuntu6.2
imagemagick
Ubuntu:14.04:LTS
From an advisory covering 124 CVEs
before 8:6.7.7.10-6ubuntu3.11, plus listed versions
8:6.7.7.10-5ubuntu38:6.7.7.10-5ubuntu48:6.7.7.10-6ubuntu18:6.7.7.10-6ubuntu28:6.7.7.10-6ubuntu3
Show 9 moreShow less
8:6.7.7.10-6ubuntu3.18:6.7.7.10-6ubuntu3.28:6.7.7.10-6ubuntu3.38:6.7.7.10-6ubuntu3.48:6.7.7.10-6ubuntu3.58:6.7.7.10-6ubuntu3.68:6.7.7.10-6ubuntu3.78:6.7.7.10-6ubuntu3.88:6.7.7.10-6ubuntu3.9
8:6.7.7.10-6ubuntu3.11
imagemagick
Ubuntu:16.04:LTS
From an advisory covering 124 CVEs
before 8:6.8.9.9-7ubuntu5.11, plus listed versions
8:6.8.9.9-5ubuntu28:6.8.9.9-68:6.8.9.9-6build18:6.8.9.9-78:6.8.9.9-7ubuntu1
Show 13 moreShow less
8:6.8.9.9-7ubuntu28:6.8.9.9-7ubuntu38:6.8.9.9-7ubuntu48:6.8.9.9-7ubuntu58:6.8.9.9-7ubuntu5.18:6.8.9.9-7ubuntu5.28:6.8.9.9-7ubuntu5.38:6.8.9.9-7ubuntu5.48:6.8.9.9-7ubuntu5.58:6.8.9.9-7ubuntu5.68:6.8.9.9-7ubuntu5.78:6.8.9.9-7ubuntu5.88:6.8.9.9-7ubuntu5.9
8:6.8.9.9-7ubuntu5.11
imagemagick
Ubuntu:18.04:LTS
From an advisory covering 124 CVEs
before 8:6.9.7.4+dfsg-16ubuntu6.2, plus listed versions
8:6.9.7.4+dfsg-16ubuntu28:6.9.7.4+dfsg-16ubuntu38:6.9.7.4+dfsg-16ubuntu48:6.9.7.4+dfsg-16ubuntu58:6.9.7.4+dfsg-16ubuntu6
8:6.9.7.4+dfsg-16ubuntu6.2

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-2018-11655 is a medium vulnerability (CVSS 6.5) in Imagemagick, published June 1, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.69%, the 77th percentile. Fixed in imagemagick 8:6.9.9.34+dfsg-3.

References

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