CVE-2011-4869

EPSS 2.1%

Published: 12/20/2011Modified: 4/28/2026

Also known as:DEBIAN-CVE-2011-4869

Description

validator/val_nsec3.c in Unbound before 1.4.13p2 does not properly perform proof processing for NSEC3-signed zones, which allows remote DNS servers to cause a denial of service (daemon crash) via a malformed response that lacks expected NSEC3 records, a different vulnerability than CVE-2011-4528.

Affected packages (1)

Debian/unboundfrom 0, < 1.4.14-1

References (1)

ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2011-4869