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CVE-2011-4528

N/A
Published: December 20, 2011 at 11:00 AM UTC
Updated: June 16, 2026 at 11:34 PM UTC
1 product affected across 1 vendorUnbound

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Severity
N/A
Exploit prediction
EPSS 3%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (7)

Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.html
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071535.html
VDB Entryx_refsource_OSVDB
Source: [email protected]
http://osvdb.org/77909
Third Party Advisoryx_refsource_SECUNIA
Source: [email protected]
http://secunia.com/advisories/47326
x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt
Vendor Advisoryx_refsource_DEBIAN
Source: [email protected]
http://www.debian.org/security/2011/dsa-2370
Third Party Advisoryx_refsource_CERT-VNPatchUS Government Resource
Source: [email protected]
http://www.kb.cert.org/vuls/id/209659

CVSS

5MEDIUM[email protected]
Confidentiality
NONE
Integrity
NONE
Availability
PARTIAL
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-399

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