CVE-2018-16749
MEDIUMCVSS 6.5/10EPSS 2.29%
Last modified
CVE-2018-16749 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 2.29% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 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 |
References
- https://github.com/ImageMagick/ImageMagick/issues/1119Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/ImageMagick/ImageMagick6/commit/1007b98f8795ad4bea6bc5f68a32d83e982fdae4Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00002.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00007.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3785-1/Third Party Advisory
- https://github.com/ImageMagick/ImageMagick/issues/1119Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/ImageMagick/ImageMagick6/commit/1007b98f8795ad4bea6bc5f68a32d83e982fdae4Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00002.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00007.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3785-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2018-16749?
CVE-2018-16749 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 2.29% probability of exploitation in the next 30 days.
How do I fix CVE-2018-16749?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2018-16749?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST