CVE-2018-17983 is a critical out-of-bounds read vulnerability affecting Mercurial versions prior to 4.7.2, specifically within the cext/manifest.c component during malformed manifest entry parsing. With a CVSS score of 9.1, this vulnerability allows an unauthenticated attacker to achieve high confidentiality and availability impact over the network with low attack complexity. Despite its critical severity, there is currently no known public exploit code (Metasploit, Nuclei, ExploitDB), nor is it listed in CISA's KEV catalog, and it has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.7.2CPE matchmatch criteria | cpe:2.3:a:mercurial:mercurial:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.