CVE-2018-7421 describes an infinite loop vulnerability in the DMP dissector of Wireshark versions 2.2.0 through 2.2.12 and 2.4.0 through 2.4.4. This flaw, categorized as CWE-835, could lead to a denial of service (DoS) due to unbounded processing of Security Categories. With a CVSS score of 7.5 (HIGH), this vulnerability is remotely exploitable with low attack complexity, requiring no user interaction, and primarily impacts availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.2.0, <= 2.2.12CPE matchmatch criteria | cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* | ||
>= 2.4.0, <= 2.4.4CPE matchmatch criteria | cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* |
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.
Remediation records are not available for this CVE.