What is CVE-2023-1992?

CVE-2023-1992 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-2023-1992?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Resource exhaustion in Wireshark

CVE-2023-1992

RPCoRDMA 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)

Published 2023-04-12 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.046 (91.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.046 · newest: 0.046 · change: 0.000

Affected products

Wireshark
Wireshark Foundation — versions >=4.0.0, <4.0.5, >=3.6.0, <3.6.13
Debian Linux — versions 10.0, 12.0
Fedoraproject Fedora — versions 36, 37, 38

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

www.wireshark.org/security/wnpa-sec-2023-09.html (Vendor Advisory)
gitlab.com/wireshark/wireshark/-/issues/18852 (Exploit, Patch, Issue Tracking, Vendor Advisory)
gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-1992.json (Third Party Advisory)
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
lists.debian.org/debian-lts-announce/2023/04/msg00029.html (mailing-list, Mailing List, Third Party Advisory)
www.debian.org/security/2023/dsa-5429 (vendor-advisory, Third Party Advisory)
security.gentoo.org/glsa/202309-02 (vendor-advisory, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2023-1992?: CVE-2023-1992 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-2023-1992?: Medium severity. CVSS v3 base score is 6.3 out of 10.