Unbound : Security Vulnerabilities, CVEs, CVSS score >= 5
The resolver in Unbound before 1.4.11 overwrites cached server names and TTL values in NS records during the processing of a response to an A record query, which allows remote attackers to trigger continued resolvability of revoked domain names via a "ghost domain names" attack.
Max CVSS
6.4
EPSS Score
0.19%
Published
2012-02-17
Updated
2012-02-20
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.
Max CVSS
7.8
EPSS Score
1.50%
Published
2011-12-20
Updated
2017-08-29
Unbound before 1.4.13p2 attempts to free unallocated memory during processing of duplicate CNAME records in a signed zone, which allows remote DNS servers to cause a denial of service (daemon crash) via a crafted response.
Max CVSS
5.0
EPSS Score
0.83%
Published
2011-12-20
Updated
2012-11-06
3 vulnerabilities found