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Integer Underflow Affecting openldap package, versions <2.4.57+dfsg-1

0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 5.73% (94th percentile)
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NVD
7.5 high
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SUSE
7.5 high
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Red Hat
7.5 high

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  • Snyk ID SNYK-DEBIANUNSTABLE-OPENLDAP-1064729
  • published 26 Jan 2021
  • disclosed 26 Jan 2021
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Introduced: 26 Jan 2021

CVE-2020-36221 Open this link in a new tab
CWE-191 Open this link in a new tab

How to fix?

Upgrade Debian:unstable openldap to version 2.4.57+dfsg-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openldap package and not the openldap package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service (schema_init.c serialNumberAndIssuerCheck).

References