CVE-2024-33655
HIGH7.5EPSS 2.8%unbound - security update
Published: 6/6/2024Modified: 12/3/2025
Also known as:ALPINE-CVE-2024-33655
Description
The DNS protocol in RFC 1035 and updates allows remote attackers to cause a denial of service (resource consumption) by arranging for DNS queries to be accumulated for seconds, such that responses are later sent in a pulsing burst (which can be considered traffic amplification in some cases), aka the "DNSBomb" issue.
Affected packages (4)
- Alpine/unboundfrom 0, < 1.20.0-r0
- Debian/unboundfrom 0, < 1.13.1-1+deb11u5
- Debian/unboundfrom 0, < 1.13.1-1+deb11u5
- Debian/unboundfrom 0, < 1.17.1-2+deb12u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |