CVE-2021-4190 describes a denial-of-service vulnerability in the Kafka dissector of Wireshark 3.6.0, affecting various Fedora and Wireshark distributions. This high-severity flaw (CVSS 7.5) can be triggered remotely via packet injection or a crafted capture file, requiring no user interaction and leading to a complete denial of service. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.4.0, < 3.4.12CPE matchmatch criteria | cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* | ||
3.6.0CPE matchmatch criteria | cpe:2.3:a:wireshark:wireshark:3.6.0:*:*:*:*:*:*:* | ||
34CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | ||
35CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
CVE-2021-4190
Mar 8, 2022wireshark: Kafka dissector infinite loop
Dec 29, 2021Large loop in the Kafka dissector in Wireshark 3.6.0 allows denial of service via packet injection or crafted capture file
Dec 14, 2021