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CRITICAL

CVE-2022-0582

CVSS v3

9.8

CRITICAL

EPSS Score

2.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Unaligned access in the CSN.1 protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service via packet injection or crafted capture file

Technical details

Published
2022-02-14

Frequently asked questions

What is CVE-2022-0582?

Unaligned access in the CSN.1 protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service via packet injection or crafted capture file

Is CVE-2022-0582 actively exploited?

Active exploitation of CVE-2022-0582 has not been confirmed. Its EPSS score was 2.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-0582?

CVE-2022-0582 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2022-0582 affecting your environment?

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