Is CVE-2023-1993 actively exploited?

CVE-2023-1993 has no public evidence of in-the-wild exploitation as of 2025-11-03.

What is the CVSS score for CVE-2023-1993?

CVE-2023-1993 has a CVSS score of 6.3 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.

How do I patch CVE-2023-1993?

Patch guidance is available from wireshark security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-1993.

CVE-2023-1993 - remediation guidance & executive summary

Q: Which products are affected by CVE-2023-1993?

7 products: wireshark wireshark, wireshark wireshark, debian debian linux, debian debian linux, fedoraproject fedora, and 2 more.

Description

LISP dissector large loop 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

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: low
Integrity: low
Availability: low
Weaknesses: CWE-834 CWE-834

Metadata

Primary Vendor: WIRESHARK
Published: 4/12/2023
Last Modified: 11/3/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

wireshark : wiresharkwireshark : wiresharkdebian : debian_linuxdebian : debian_linuxfedoraproject : fedorafedoraproject : fedorafedoraproject : fedora

Remediation Guidance

Executive Summary

View on NIST NVD