CVE-2021-4185

Published: Dec 30, 2021

Modified: Nov 3, 2025

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

Infinite loop in the RTMPT dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file

Vendor	Product	Versions
Wireshark Foundation	Wireshark	affected `=3.6.0` affected `>=3.4.0, <3.4.10`

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

https://www.wireshark.org/security/wnpa-sec-2021-17.html

https://gitlab.com/wireshark/wireshark/-/issues/17745

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4185.json

FEDORA-2022-1daf93c51d

vendor-advisory

FEDORA-2022-30411cb3c4

vendor-advisory

[debian-lts-announce] 20220331 [SECURITY] [DLA 2967-1] wireshark security update

mailing-list

https://www.oracle.com/security-alerts/cpuapr2022.html

GLSA-202210-04

vendor-advisory

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CVE-2021-4185

Description

Affected Products

CVSS v3.1 Details

References