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Debian LTS Advisory DLA-2481-1              [email protected]
https://www.debian.org/lts/security/                      Utkarsh Gupta
December 04, 2020                           https://wiki.debian.org/LTS
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Package        : openldap
Version        : 2.4.44+dfsg-5+deb9u6
CVE ID         : CVE-2020-25709 CVE-2020-25710

Two vulnerabilities in the certificate list syntax verification and
in the handling of CSN normalization were discovered in OpenLDAP, a
free implementation of the Lightweight Directory Access Protocol.
An unauthenticated remote attacker can take advantage of these
flaws to cause a denial of service (slapd daemon crash) via
specially crafted packets.

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

We recommend that you upgrade your openldap packages.

For the detailed security status of openldap 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