AUGUST 4, 2026
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Case File

CVE-2021-39928

HIGH · CVSS 7.5 EPSS 5.50%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-11-18 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It may lead to a denial-of-service condition.

CVE
CVE-2021-39928
Severity
HIGH
CVSS
7.5
EPSS
5.50%

Original NVD Description

NULL pointer exception in the IEEE 802.11 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

Related CVEs

Other vulnerabilities affecting the same vendor(s)