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[SECURITY] [DLA 2652-1] unbound1.9 security update

Debian LTS Advisory DLA-2652-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                      Markus Koschany
May 06, 2021                                  https://wiki.debian.org/LTS

Package        : unbound1.9
Version        : 1.9.0-2+deb10u2~deb9u2
CVE ID         : CVE-2019-25031 CVE-2019-25032 CVE-2019-25033 CVE-2019-25034 
                 CVE-2019-25035 CVE-2019-25036 CVE-2019-25037 CVE-2019-25038 
                 CVE-2019-25039 CVE-2019-25040 CVE-2019-25041 CVE-2019-25042

Several security vulnerabilities have been discovered in Unbound, a validating,
recursive, caching DNS resolver, by security researchers of X41 D-SEC located
in Aachen, Germany. Integer overflows, assertion failures, an out-of-bound
write and an infinite loop vulnerability may lead to a denial-of-service or
have a negative impact on data confidentiality.

For Debian 9 stretch, these problems have been fixed in version

We recommend that you upgrade your unbound1.9 packages.

For the detailed security status of unbound1.9 please refer to
its security tracker page at:

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

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