CVE-2009-4008 describes a denial-of-service vulnerability in Unbound before version 1.4.4. A crafted query can cause Unbound to mishandle signed zones, preventing it from sending responses and leading to a DNSSEC outage. This vulnerability has a CVSS score of 5.0, indicating a medium severity, and can be exploited remotely with low attack complexity, resulting in a partial availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.4.3CPE matchmatch criteria | cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:* | ||
0.0CPE matchmatch criteria | cpe:2.3:a:nlnetlabs:unbound:0.0:*:*:*:*:*:*:* | ||
0.1CPE matchmatch criteria | cpe:2.3:a:nlnetlabs:unbound:0.1:*:*:*:*:*:*:* | ||
0.2CPE matchmatch criteria | cpe:2.3:a:nlnetlabs:unbound:0.2:*:*:*:*:*:*:* | ||
0.3CPE matchmatch criteria | cpe:2.3:a:nlnetlabs:unbound:0.3:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.