CVE-2021-22191

medium

Published — · Modified —

CVSS v3

—

CVSS v2

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VIR risk

5.5

Description

Improper URL handling in Wireshark 3.4.0 to 3.4.3 and 3.2.0 to 3.2.11 could allow remote code execution via 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-2021-22191

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-22191.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202103-2

OS impact

OS	Version	Status	Fixed in
arch		fixed	`3.4.4-1`
sles		affected
debian	bookworm	fixed	`3.4.4-1`
debian	bullseye	fixed	`3.4.4-1`
debian	forky	fixed	`3.4.4-1`
debian	sid	fixed	`3.4.4-1`
debian	trixie	fixed	`3.4.4-1`

References

https://security.archlinux.org/ASA-202103-2
https://www.suse.com/security/cve/CVE-2021-22191.html
https://security-tracker.debian.org/tracker/CVE-2021-22191

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