CVE-2021-22207
Moderate
CVE-2021-22207
Excessive memory consumption in MS-WSP dissector in Wireshark 3.4.0 to 3.4.4 and 3.2.0 to 3.2.12 allows denial of service via packet injection or crafted capture file
Exploit probability
2.0%
Published
April 23, 2021
Required by
Not available
Last source change
July 8, 2026
02 / AFFECTED SOFTWARE
Affected packages
52 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2021-22207
View original source
Excessive memory consumption in MS-WSP dissector in Wireshark 3.4.0 to 3.4.4 and 3.2.0 to 3.2.12 allows denial of service via packet injection or crafted capture file
05 / REFERENCES
Further evidence
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22207.json
- https://gitlab.com/wireshark/wireshark/-/issues/17331
- https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIWWO27HV4HUKXV6NH6ULHCRAQB26DMD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NL7ZTMMWIEPHHFK3ONRKATWE7CLIGLFD/
- https://security.gentoo.org/glsa/202107-21
- https://www.debian.org/security/2021/dsa-5019
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.wireshark.org/security/wnpa-sec-2021-04.html