CVE-2019-25040 describes an infinite loop vulnerability in Unbound versions prior to 1.9.5, specifically affecting the dname_pkt_copy function when processing a compressed name. This flaw, rated with a CVSS score of 7.5 (High), could lead to a denial of service (availability impact) and affects Debian Linux and NLnet Labs Unbound. Despite the potential for a denial of service, the vendor disputes its exploitability in a running Unbound installation, stating it cannot be remotely or locally exploited. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.9.5CPE matchmatch criteria | cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
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.