CVE-2021-22222

HighCVSS 7.5/10Last modified Jun 17, 2026

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

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-835

Affected software

Vendor	Product	Versions
The Wireshark Foundation	Wireshark	>=3.4.0, <3.4.6

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22222.jsonThird Party Advisory
https://gitlab.com/wireshark/wireshark/-/merge_requests/3130Patch, Third Party Advisory
https://security.gentoo.org/glsa/202107-21Third Party Advisory
https://www.debian.org/security/2021/dsa-5019Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2021-05.htmlVendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22222.jsonThird Party Advisory
https://gitlab.com/wireshark/wireshark/-/merge_requests/3130Patch, Third Party Advisory
https://security.gentoo.org/glsa/202107-21Third Party Advisory
https://www.debian.org/security/2021/dsa-5019Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2021-05.htmlVendor Advisory

Timeline

Published: Jun 7, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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