vulnerability
Wireshark : CVE-2021-39923 : PNRP dissector large loop
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Nov 19, 2021 | Dec 9, 2021 | Aug 11, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Nov 19, 2021
Added
Dec 9, 2021
Modified
Aug 11, 2025
Description
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
Solutions
wireshark-upgrade-3_2_18wireshark-upgrade-3_4_10
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.