Medium severity · published May 1, 2016
CVE-2016-4420
The NFS dissector in Wireshark 2.x before 2.0.2 allows remote attackers to cause a denial of service (application crash) via a crafted packet
5.9
CVSS
1.4%
EPSS
No
On KEV
Description
The NFS dissector in Wireshark 2.x before 2.0.2 allows remote attackers to cause a denial of service (application crash) via a crafted packet.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WI
Wireshark · Wireshark
2.0.0; 2.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-4420
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-4420
Vendor Advisory
https://www.wireshark.org/security/wnpa-sec-2016-17.html
More from Wireshark
9.8
CVE-2026-76886
Heap-based Buffer Overflow in Wireshark
9.8
CVE-2022-0582
Unaligned access in the CSN.1 protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service via packet injection or crafted capture file
9.8
CVE-2018-6836
The netmonrec_comment_destroy function in wiretap/netmon.c in Wireshark through 2.4.4 performs a free operation on an uninitialized memory address, which allows remote attackers…
8.8
CVE-2026-95387
Heap-based Buffer Overflow in Wireshark
8.8
CVE-2026-5402
Heap-based Buffer Overflow in Wireshark
