HOMEVULNERABILITIESCVE-2018-20185
MEDIUM

CVE-2018-20185

CWE-125Published: December 17, 2018· Updated: Jun 17, 2026

5.3
CVSS v3.1

Official Description

In GraphicsMagick 1.4 snapshot-20181209 Q8 on 32-bit platforms, there is a heap-based buffer over-read in the ReadBMPImage function of bmp.c, which allows attackers to cause a denial of service via a crafted bmp image file. This only affects GraphicsMagick installations with customized BMP limits.

NVD Source

Technical Analysis

CVE-2018-20185 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.3.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Vendors & Products

Canonical1 product(s)
ubuntu linux
Debian1 product(s)
debian linux
graphicsmagick1 product(s)
graphicsmagick
Source: NVD CPE · 5 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttp://hg.graphicsmagick.org/hg/GraphicsMagick/rev/648e3977a293
PATCHhttp://hg.graphicsmagick.org/hg/GraphicsMagick/rev/648e3977a293
ADVISORYhttp://www.securityfocus.com/bid/106229
ADVISORYhttps://lists.debian.org/debian-lts-announce/2018/12/msg00018.html
ADVISORYhttps://sourceforge.net/p/graphicsmagick/bugs/582/
ADVISORYhttps://usn.ubuntu.com/4207-1/
ADVISORYhttps://www.debian.org/security/2020/dsa-4640
ADVISORYhttp://www.securityfocus.com/bid/106229
ADVISORYhttps://lists.debian.org/debian-lts-announce/2018/12/msg00018.html
ADVISORYhttps://sourceforge.net/p/graphicsmagick/bugs/582/
ADVISORYhttps://usn.ubuntu.com/4207-1/
ADVISORYhttps://www.debian.org/security/2020/dsa-4640

All References (12)

→
http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/648e3977a293Patch · Vendor Advisory
→
http://www.securityfocus.com/bid/106229Third Party Advisory · VDB Entry
→
https://lists.debian.org/debian-lts-announce/2018/12/msg00018.htmlMailing List · Third Party Advisory
→
https://sourceforge.net/p/graphicsmagick/bugs/582/Exploit · Third Party Advisory
→
https://usn.ubuntu.com/4207-1/Third Party Advisory
→
https://www.debian.org/security/2020/dsa-4640Third Party Advisory
→
http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/648e3977a293Patch · Vendor Advisory
→
http://www.securityfocus.com/bid/106229Third Party Advisory · VDB Entry
→
https://lists.debian.org/debian-lts-announce/2018/12/msg00018.htmlMailing List · Third Party Advisory
→
https://sourceforge.net/p/graphicsmagick/bugs/582/Exploit · Third Party Advisory
→
https://usn.ubuntu.com/4207-1/Third Party Advisory
→
https://www.debian.org/security/2020/dsa-4640Third Party Advisory

Quick Facts

CVE IDCVE-2018-20185
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-125
CISA KEVNo
Affected3 vendor(s)
PublishedDec 17, 2018

Related CVEs (CWE-125)

CVE-2009-2523
10.0
CVE-2021-21777
10.0
CVE-2017-14451
10.0
CVE-2021-41556
10.0
CVE-2013-0767
10.0
CVE-2023-26489
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-20185 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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