Out-of-bounds Read in Wireshark
CVE-2023-6174
SSH dissector crash in Wireshark 4.0.0 to 4.0.10 allows denial of service via packet injection or crafted capture file
Vulnerability class: Buffer Overflow
EPSS: 0.007 (51.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
Affected products
- Wireshark
- Wireshark Foundation — versions 4.0.0
- Debian Debian_linux — versions 12.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@gitlab.com (Vendor Advisory)
- cve@gitlab.com (issue-tracking, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-6174?
- CVE-2023-6174 is a medium-severity vulnerability in Wireshark, classified under Out-of-bounds Read. CVSS score: 6.3/10. Published 2023-11-16.
- How severe is CVE-2023-6174?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2023-6174 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.