CVE-2021-22207

low

Published — · Modified —

CVSS v3

—

CVSS v2

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VIR risk

2.5

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

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-22207

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-22207.html

OS impact

OS	Version	Status	Fixed in
arch		fixed	`3.4.5-1`
sles		affected
debian	bookworm	fixed	`3.4.7-1`
debian	bullseye	fixed	`3.4.10-0+deb11u1`
debian	forky	fixed	`3.4.7-1`
debian	sid	fixed	`3.4.7-1`
debian	trixie	fixed	`3.4.7-1`

References

https://www.suse.com/security/cve/CVE-2021-22207.html
https://security-tracker.debian.org/tracker/CVE-2021-22207

Verify integrity in audit chain (admin only). AS-IS.