CVE-2011-4528

N/A Unknown

Published: December 20, 2011 Modified: April 29, 2026

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.

AI Explanation

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.html

Source: cret@cert.org

http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071535.html

Source: cret@cert.org

http://osvdb.org/77909

Source: cret@cert.org

http://secunia.com/advisories/47326

Source: cret@cert.org

http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt

Source: cret@cert.org

Patch Vendor Advisory

http://www.debian.org/security/2011/dsa-2370

Source: cret@cert.org

http://www.kb.cert.org/vuls/id/209659

Source: cret@cert.org

Patch Third Party Advisory US Government Resource

http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.html