CVE-2021-39923 HIGH

CVE-2021-39923

Vendor Wireshark Foundation
Product Wireshark
Published November 19, 2021
Last update August 4, 2024
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Large loop in the PNRP dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file

Key dates

02Disclosure timeline

November 19, 2021 CVE published
August 4, 2024 Record updated