Debian: DSA-4860-1: openldap security update

Date 20 Feb 2021

Category Debian Linux Distribution - Security Advisories

352

Posted By LinuxSecurity Advisories

A vulnerability in the Certificate List Exact Assertion validation was discovered in OpenLDAP, a free implementation of the Lightweight Directory Access Protocol. An unauthenticated remote attacker can take advantage of this flaw to cause a denial of service (slapd daemon crash)


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Debian Security Advisory DSA-4860-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                     Salvatore Bonaccorso
February 20, 2021                     https://www.debian.org/security/faq
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Package        : openldap
CVE ID         : CVE-2021-27212

A vulnerability in the Certificate List Exact Assertion validation was
discovered in OpenLDAP, a free implementation of the Lightweight
Directory Access Protocol. An unauthenticated remote attacker can take
advantage of this flaw to cause a denial of service (slapd daemon crash)
via specially crafted packets.

For the stable distribution (buster), this problem has been fixed in
version 2.4.47+dfsg-3+deb10u6.

We recommend that you upgrade your openldap packages.

For the detailed security status of openldap please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/openldap

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

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