CVE-2023-2855

Name: CVE-2023-2855
Creator: NVD / NIST
Published: 2023-05-26T21:15:17.757+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.66%

Last modified Jun 17, 2026

CVE-2023-2855 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Candump log parser crash in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allows denial of service via crafted capture file. EPSS estimates a 1.66% chance of exploitation in the next 30 days.

Description

Candump log parser crash in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allows denial of service via crafted capture file

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

1.66%

73.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Wireshark	Wireshark	>= 3.6.0, < 3.6.14
Wireshark	Wireshark	>= 4.0.0, < 4.0.6
Debian	Debian Linux	12.0

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2855.jsonThird Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/19062Exploit, Issue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/202309-02Third Party Advisory
https://www.debian.org/security/2023/dsa-5429Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2023-12.htmlVendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2855.jsonThird Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/19062Exploit, Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html
https://security.gentoo.org/glsa/202309-02Third Party Advisory
https://www.debian.org/security/2023/dsa-5429Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2023-12.htmlVendor Advisory

Timeline

Published: May 26, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-2855?

Candump log parser crash in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allows denial of service via crafted capture file

How severe is CVE-2023-2855?

CVE-2023-2855 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.66% probability of exploitation in the next 30 days.

How do I fix CVE-2023-2855?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-2855?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST