CVE-2021-39923

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CVSS 3.1

7.5 high

EPSS

2%p73

Published

Nov 19, 2021 (Nov 19, 2021)

Modified

Jun 17, 2026

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

Vendors: wireshark debian
Products: wireshark, debian linux
Weakness: CWE-834
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.5%)

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