UpHeron
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Servers and applications

CVE-2018-16749

In ImageMagick 7.0.7-29 and earlier, a missing NULL check in ReadOneJNGImage in coders/png.c allows an attacker to cause a denial of service (WriteBlob assertion failure and application exit) via a crafted file.

Severity
Medium 6.5
Published
9 Sept 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
6.9.9-42
Exploit chance
2.3% in the next 30 daysHigher than 83% of CVEs. EPSS by FIRST, 10 Nov 2026
Weakness
Null pointer dereference (CWE-476)
Attack
Over the network · No login needed · Needs someone to click or open something
Attacker can
Take it down
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Sources
NVD

Affected software

SoftwareAffected versions
ImageMagickServers and applications · cpe:a:imagemagick:imagemagick
  • Every version before 6.9.9-42
  • From 7.0.0-0 up to 7.0.7-29

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-16749
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-16749