CVE-2021-4182

wireshark: RFC 7468 file parser infinite loop

Published Dec 30, 2021 CVSS 3.1 · 7.5 High EPSS 3.4% KEV · Not listed
Description
Crash in the RFC 7468 dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3906-1 wireshark security update
EUVD EUVD EUVD-2021-34042 Crash in the RFC 7468 dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file
Ubuntu USN Ubuntu USN USN-7552-1 Wireshark vulnerabilities
Weaknesses

Sources

Status
PUBLISHED
Assigner
GitLab
Published
Updated
Nov 3, 2025, 9:45 PM
Reserved
Dec 27, 2021, 12:00 AM
Status
Modified
Published
Dec 30, 2021, 10:15 PM
Modified
Jun 17, 2026, 4:19 AM
Severity
Moderate
Public date
Dec 29, 2021, 12:00 AM