Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2011-4869

Published: Dec 20, 2011 | Modified: Apr 11, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
7.8 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2011-4869
CWEhttps://cwe.mitre.org/data/definitions/399.html

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 Software

NameVendorStart VersionEnd Version
UnboundUnbound*1.4.12 (including)
UnboundUnbound0.0 (including)0.0 (including)
UnboundUnbound0.1 (including)0.1 (including)
UnboundUnbound0.2 (including)0.2 (including)
UnboundUnbound0.3 (including)0.3 (including)
UnboundUnbound0.4 (including)0.4 (including)
UnboundUnbound0.5 (including)0.5 (including)
UnboundUnbound0.6 (including)0.6 (including)
UnboundUnbound0.7 (including)0.7 (including)
UnboundUnbound0.7.1 (including)0.7.1 (including)
UnboundUnbound0.7.2 (including)0.7.2 (including)
UnboundUnbound0.8 (including)0.8 (including)
UnboundUnbound0.09 (including)0.09 (including)
UnboundUnbound0.10 (including)0.10 (including)
UnboundUnbound0.11 (including)0.11 (including)
UnboundUnbound1.0.0 (including)1.0.0 (including)
UnboundUnbound1.0.1 (including)1.0.1 (including)
UnboundUnbound1.0.2 (including)1.0.2 (including)
UnboundUnbound1.1.0 (including)1.1.0 (including)
UnboundUnbound1.1.1 (including)1.1.1 (including)
UnboundUnbound1.2.0 (including)1.2.0 (including)
UnboundUnbound1.2.1 (including)1.2.1 (including)
UnboundUnbound1.3.0 (including)1.3.0 (including)
UnboundUnbound1.3.1 (including)1.3.1 (including)
UnboundUnbound1.3.2 (including)1.3.2 (including)
UnboundUnbound1.3.3 (including)1.3.3 (including)
UnboundUnbound1.3.4 (including)1.3.4 (including)
UnboundUnbound1.4.0 (including)1.4.0 (including)
UnboundUnbound1.4.1 (including)1.4.1 (including)
UnboundUnbound1.4.2 (including)1.4.2 (including)
UnboundUnbound1.4.3 (including)1.4.3 (including)
UnboundUnbound1.4.4 (including)1.4.4 (including)
UnboundUnbound1.4.5 (including)1.4.5 (including)
UnboundUnbound1.4.6 (including)1.4.6 (including)
UnboundUnbound1.4.7 (including)1.4.7 (including)
UnboundUnbound1.4.8 (including)1.4.8 (including)
UnboundUnbound1.4.9 (including)1.4.9 (including)
UnboundUnbound1.4.10 (including)1.4.10 (including)
UnboundUnbound1.4.11 (including)1.4.11 (including)
UnboundUbuntulucid*
UnboundUbuntumaverick*
UnboundUbuntunatty*
UnboundUbuntuoneiric*

References

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