CVE-2021-22207

MEDIUM 6.5CVE-2021-22207 · Published 23/04/2021 · updated 17/06/2026

In short

CVE-2021-22207 is a MEDIUM (CVSS 6.5) vulnerability affecting zfs storage appliance kit (oracle), wireshark (wireshark).
Chance of exploitation in the next 30 days (EPSS): 2.0%, higher than 81.0% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
zfs storage appliance kit oracle	`= 8.8`	No fix yet
wireshark wireshark	`≥ 3.2.0, ≤ 3.2.12≥ 3.4.0, ≤ 3.4.4`	No fix yet

Description

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

References

gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22207.json · Third Party Advisory
gitlab.com/wireshark/wireshark/-/issues/17331 · Exploit
lists.debian.org/debian-lts-announce/2021/12/msg00015.html · Mailing List
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIWWO27HV4HUKXV6NH6ULHCRAQB26DMD
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NL7ZTMMWIEPHHFK3ONRKATWE7CLIGLFD
security.gentoo.org/glsa/202107-21 · Third Party Advisory
debian.org/security/2021/dsa-5019 · Third Party Advisory
oracle.com/security-alerts/cpuoct2021.html · Patch
wireshark.org/security/wnpa-sec-2021-04.html · Vendor Advisory

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