Medium severity · published Jun 7, 2023
CVE-2023-0666
Wireshark RTPS Parsing Buffer Overflow
6.5
CVSS
2.3%
EPSS
No
On KEV
Description
Due to failure in validating the length provided by an attacker-crafted RTPS packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WI
Wireshark · Wireshark Foundation
4.0.0 through 4.0.5 · source: vendor, NVD
DL
Debian Linux · Debian
12.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-0666
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-0666
Exploit
https://gitlab.com/wireshark/wireshark/-/issues/19085
Third Party Advisory
https://security.gentoo.org/glsa/202309-02
Exploit
https://takeonme.org/cves/CVE-2023-0666.html
Third Party Advisory
https://www.debian.org/security/2023/dsa-5429
Release Notes
https://www.wireshark.org/docs/relnotes/wireshark-4.0.6.html
Vendor Advisory
https://www.wireshark.org/security/wnpa-sec-2023-18.html
More from Wireshark
9.8
CVE-2026-76886
Heap-based Buffer Overflow in Wireshark
8.8
CVE-2026-95387
Heap-based Buffer Overflow in Wireshark
8.8
CVE-2026-5402
Heap-based Buffer Overflow in Wireshark
8.1
CVE-2026-95389
Heap-based Buffer Overflow in Wireshark
7.8
CVE-2026-96419
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Wireshark
