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Vulnerability record · CVE-2017-11637 · published 26 July 2017

CVE-2017-11637: Graphicsmagick null pointer dereference vulnerability

Graphicsmagick · Graphicsmagick

GraphicsMagick 1.3.26 has a NULL pointer dereference in the WritePCLImage() function in coders/pcl.c during writes of monochrome images.

9.8 CVSS 3.0 Critical EPSS 2.1% · top 19.1% CWE-476 · NULL pointer dereference
9.8CVSS 3.0 base score, v2 7.5
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

GraphicsMagick 1.3.26 has a NULL pointer dereference in the WritePCLImage() function in coders/pcl.c during writes of monochrome images.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://hg.code.sf.net/p/graphicsmagick/code/rev/f3ffc5541257 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00002.html
https://usn.ubuntu.com/4206-1/
https://www.debian.org/security/2018/dsa-4321
http://hg.code.sf.net/p/graphicsmagick/code/rev/f3ffc5541257 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00002.html
https://usn.ubuntu.com/4206-1/
https://www.debian.org/security/2018/dsa-4321

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2008-6071Graphicsmagick memory buffer overflow vulnerabilityHeap-based buffer overflow in the DecodeImage function in coders/pict.c in GraphicsMagick before 1.1.14, and 1.2.x before 1.2.3, allows remote attack…EPSS 6.7%9.8CVE-2025-27796Graphicsmagick use of uninitialized resource vulnerabilityReadWPGImage in WPG in GraphicsMagick before 1.3.46 mishandles palette buffer allocation, resulting in out-of-bounds access to heap memory in ReadBlo…EPSS 0.38%9.8CVE-2020-10938Graphicsmagick integer overflow vulnerabilityGraphicsMagick before 1.3.35 has an integer overflow and resultant heap-based buffer overflow in HuffmanDecodeImage in magick/compress.c.EPSS 5.4%9.8CVE-2019-19950Graphicsmagick use after free vulnerabilityIn GraphicsMagick 1.4 snapshot-20190403 Q8, there is a use-after-free in ThrowException and ThrowLoggedException of magick/error.c.EPSS 2.7%9.8CVE-2019-19951Graphicsmagick out-of-bounds write vulnerabilityIn GraphicsMagick 1.4 snapshot-20190423 Q8, there is a heap-based buffer overflow in the function ImportRLEPixels of coders/miff.c.EPSS 2.5%9.8CVE-2019-11005Graphicsmagick out-of-bounds write vulnerabilityIn GraphicsMagick 1.4 snapshot-20190322 Q8, there is a stack-based buffer overflow in the function SVGStartElement of coders/svg.c, which allows remo…EPSS 3.5%9.8CVE-2017-11636Graphicsmagick memory buffer overflow vulnerabilityGraphicsMagick 1.3.26 has a heap overflow in the WriteRGBImage() function in coders/rgb.c when processing multiple frames that have non-identical wid…EPSS 3.1%9.8CVE-2017-11641Graphicsmagick vulnerabilityGraphicsMagick 1.3.26 has a Memory Leak in the PersistCache function in magick/pixel_cache.c during writing of Magick Persistent Cache (MPC) files.EPSS 2.0%

Source: NIST National Vulnerability Database (record CVE-2017-11637), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.