CVEvulnerability

CVE-2011-4528

5.0 MEDIUM Published 2011-12-20 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2011-12-20
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-399

Description

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.

Affected configurations

• unbound unbound (<= 1.4.13) • unbound unbound 0.0 • unbound unbound 0.1 • unbound unbound 0.2 • unbound unbound 0.3 • unbound unbound 0.4 • unbound unbound 0.5 • unbound unbound 0.6 • unbound unbound 0.7 • unbound unbound 0.7.1 • unbound unbound 0.7.2 • unbound unbound 0.8 • unbound unbound 0.09 • unbound unbound 0.10 • unbound unbound 0.11 • unbound unbound 1.0.0 • unbound unbound 1.0.1 • unbound unbound 1.0.2 • unbound unbound 1.1.0 • unbound unbound 1.1.1 • unbound unbound 1.2.0 • unbound unbound 1.2.1 • unbound unbound 1.3.0 • unbound unbound 1.3.1 • unbound unbound 1.3.2 • unbound unbound 1.3.3 • unbound unbound 1.3.4 • unbound unbound 1.4.0 • unbound unbound 1.4.1 • unbound unbound 1.4.2 • unbound unbound 1.4.3 • unbound unbound 1.4.4 • unbound unbound 1.4.5 • unbound unbound 1.4.6 • unbound unbound 1.4.7 • unbound unbound 1.4.8 • unbound unbound 1.4.9 • unbound unbound 1.4.10 • unbound unbound 1.4.11 • unbound unbound 1.4.12 • unbound unbound 1.4.14

Related

Weakness · not in database (1)

References