CVE-2018-16749: Null Pointer Dereference

Published Sep 9, 2018
·
Updated

ImageMagick is vulnerable to a denial of service, caused by a missing NULL check in the ReadOneJNGImage function in coders/png.c. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause a denial of service condition.

Other sources

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.

Launchpad

Affected Software

9 affected componentsFixes available
IBM Data Risk Manager<=2.0.6
ImageMagick ImageMagick<6.9.9-42
ImageMagick ImageMagick>=7.0.0-0<=7.0.7-29
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Debian Debian Linux=8.0
Debian Debian Linux=9.0
debian/imagemagick
8:6.9.11.60+dfsg-1.3+deb11u48:6.9.11.60+dfsg-1.3+deb11u98:6.9.11.60+dfsg-1.6+deb12u58:6.9.11.60+dfsg-1.6+deb12u68:7.1.1.43+dfsg1-1+deb13u48:7.1.1.43+dfsg1-1+deb13u58:7.1.2.13+dfsg1-1

Event History

Sep 9, 2018
CVE Published
via MITRE·03:00 PM
Data Sourced
via MITRE·03:00 PM
Description
Sep 11, 2018
Data Sourced
via Red Hat·09:18 PM
DescriptionSeverityAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·10:53 PM
Description
Feb 20, 2026
Data Sourced
via Ubuntu·05:05 PM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Debian·05:05 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2018-16749.

2

What is the severity of CVE-2018-16749?

The severity of CVE-2018-16749 is medium with a CVSS score of 6.5.

3

What is the affected software?

The affected software is ImageMagick versions 7.0.7-29 and earlier.

4

How can the vulnerability be exploited?

The vulnerability can be exploited by persuading a victim to open a specially crafted file.

5

Is there a fix available for CVE-2018-16749?

Yes, there are patches and updates available for the affected software.

Contact

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