NULL pointer dereference in Wireshark
CVE-2023-1994
GQUIC dissector crash in Wireshark 4.0.0 to 4.0.4 and 3.6.0 to 3.6.12 allows denial of service via packet injection or crafted capture file
Vulnerability class: DoS (Denial of Service)
EPSS: 0.010 (59.3th 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, <4.0.5, >=3.6.0, <3.6.13
- Debian Debian_linux — versions 10.0, 12.0
- Fedoraproject Fedora — versions 36, 37, 38
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@gitlab.com (Vendor Advisory)
- cve@gitlab.com (Exploit, Issue Tracking, Vendor Advisory)
- cve@gitlab.com (Third Party Advisory)
- cve@gitlab.com (vendor-advisory)
- cve@gitlab.com (vendor-advisory)
- cve@gitlab.com (vendor-advisory)
- cve@gitlab.com (mailing-list, Mailing List, Third Party Advisory)
- cve@gitlab.com (vendor-advisory, Third Party Advisory)
- cve@gitlab.com (vendor-advisory, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-1994?
- CVE-2023-1994 is a medium-severity vulnerability in Wireshark, classified under Uncontrolled Resource Consumption. CVSS score: 6.3/10. Published 2023-04-12.
- How severe is CVE-2023-1994?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2023-1994 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.