CVE-2023-4512

Uncontrolled Recursion in Wireshark

CBOR dissector crash in Wireshark 4.0.0 to 4.0.6 allows denial of service via packet injection or crafted capture file

Affected

Wireshark Foundation · Wireshark

CVSS v3.1 NVD

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 GITLAB

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

EPSS

0.51% chance of exploitation in the next 30 days, 43rd percentile

Published

2023-08-24

Updated

2026-03-27

Proof-of-concept exploits (1)

• https://gitlab.com/wireshark/wireshark/-/issues/19144

Security advisories

• https://www.wireshark.org/security/wnpa-sec-2023-23.html

References

• CVE Record
• NVD entry