CVE-2023-2906

Wireshark CP2179 divide by zero

Due to a failure in validating the length provided by an attacker-crafted CP2179 packet, Wireshark versions 2.0.0 through 4.0.7 is susceptible to a divide by zero allowing for a denial of service attack.

Affected

Wireshark Foundation · Wireshark

CVSS v3.1 NVD

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

EPSS

2.79% chance of exploitation in the next 30 days, 86th percentile

Published

2023-08-25

Updated

2025-11-03

Proof-of-concept exploits (2)

• https://gitlab.com/wireshark/wireshark/-/issues/19229
• https://takeonme.org/cves/CVE-2023-2906.html

References

• CVE Record
• NVD entry