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Status published
High
CVE-2021-22222
Infinite loop in DVB-S2-BB dissector in Wireshark 3.4.0 to 3.4.5...
Vulnerability Description
Infinite loop in DVB-S2-BB dissector in Wireshark 3.4.0 to 3.4.5 allows denial of service via packet injection or crafted capture file
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://www.wireshark.org/security/wnpa-sec-2021-05.html
- https://gitlab.com/wireshark/wireshark/-/merge_requests/3130
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22222.json
- https://security.gentoo.org/glsa/202107-21
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.debian.org/security/2021/dsa-5019
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Affected Vendor
The Wireshark Foundation
View all reports →Affected Software
Wireshark
Vulnerable Versions:
>=3.4.0, <3.4.6
Timeline
Official Publish:
June 7th, 2021
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.