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Debian Security Advisory DSA 4544-1 (unbound - security update)
Information
Severity
Severity
Medium
Family
Family
Debian Local Security Checks
CVSSv2 Base
CVSSv2 Base
5.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
4 years ago
Modified
Modified
4 years ago
Summary
The remote host is missing an update for the 'unbound' package(s) announced via the DSA-4544-1 advisory.
Insight
Insight
X41 D-Sec discovered that unbound, a validating, recursive, and caching DNS resolver, did not correctly process some NOTIFY queries. This could lead to remote denial-of-service by application crash.
Affected Software
Affected Software
'unbound' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For the stable distribution (buster), this problem has been fixed in version 1.9.0-2+deb10u1. We recommend that you upgrade your unbound packages.