CVE-2023-1993

MEDIUM

Wireshark <4.0.5, <3.6.13 - DoS

Title source: llm

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

References (10)

[Third Party Advisory] https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-1993.json

View Writeup ZIP pw:eip

[Exploit, Issue Tracking, Patch, Vendor Advisory] https://gitlab.com/wireshark/wireshark/-/issues/18900

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2023/04/msg00029.html

[Third Party Advisory] https://security.gentoo.org/glsa/202309-02

[Third Party Advisory] https://www.debian.org/security/2023/dsa-5429

[Vendor Advisory] https://www.wireshark.org/security/wnpa-sec-2023-10.html

[Mailing List] https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EHLTD25WNQSPQNELX52UH6YLP4TBLKTT/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FZA7IMATNNQPLIM6WMRPM3T5ZY24NRR2/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PFJERBHVWYLYWXO2B3V47QH66IEB6EZ3/

Scores

CVSS v3 6.3

EPSS 0.0026

EPSS Percentile 48.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Classification

CWE

CWE-834

Status published

Affected Products (6)

wireshark/wireshark < 3.6.13

debian/debian_linux

debian/debian_linux

fedoraproject/fedora

fedoraproject/fedora

fedoraproject/fedora

Timeline

Published Apr 12, 2023

Tracked Since Feb 18, 2026