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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

3 years ago

Modified

Modified

3 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.

Common Vulnerabilities and Exposures (CVE)