CVE-2012-4049

2.9 LOW 2% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. Limited direct impact.
Exploit odds: 1.6% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2012-07-24 19:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:44 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.6% in the next 30 days (EPSS).
Severity: 2.9 LOW (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2012-07-24 19:55 UTC
Last modified: 2026-06-16 23:44 UTC
Exploit probability: 1.6% · EPSS, next 30 days
Weakness: CWE-94 · Code injection
Record status: Modified

Affected

Wireshark 1.4.0
Wireshark 1.4.1
Wireshark 1.4.2
Wireshark 1.4.3
Wireshark 1.4.4
Wireshark 1.4.5
Wireshark 1.4.6
Wireshark 1.4.7

Attack profile CVSS 2.0 · 2.9

Attack vector: Adjacent network
Complexity: Medium
Authentication: None
Confidentiality: None
Integrity: None
Availability: Partial

Raw vector

AV:A/AC:M/Au:N/C:N/I:N/A:P

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2012-4049.md and follow it. Check whether this project is affected by CVE-2012-4049. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record