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CVE-2020-36226

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Date: January 26, 2021

A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch->bv_len miscalculation and slapd crash in the saslAuthzTo processing, resulting in denial of service.

Language: C

Severity Score

Related Resources (24)

https://support.apple.com/kb/HT212530
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-36226
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html
https://support.apple.com/kb/HT212531
https://git.openldap.org/openldap/openldap/-/commit/c0b61a9486508e5202aa2e0cfb68c9813731b439
https://security.alpinelinux.org/vuln/CVE-2020-36226
https://nvd.nist.gov/vuln/detail/CVE-2020-36226
https://bugs.openldap.org/show_bug.cgi?id=9413
https://git.openldap.org/openldap/openldap/-/commit/d169e7958a3e0dc70f59c8374bf8a59833b7bdd8
https://support.apple.com/kb/HT212529
https://security-tracker.debian.org/tracker/CVE-2020-36226
https://lists.apache.org/thread.html/rc713534b10f9daeee2e0990239fa407e2118e4aa9e88a7041177497c@%3Cissues.guacamole.apache.org%3E
http://seclists.org/fulldisclosure/2021/May/70
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
https://git.openldap.org/openldap/openldap/-/commit/5a2017d4e61a6ddc4dcb4415028e0d08eb6bca26
https://access.redhat.com/security/cve/CVE-2020-36226
https://git.openldap.org/openldap/openldap/-/commit/554dff1927176579d652f2fe60c90e9abbad4c65
https://security.netapp.com/advisory/ntap-20210226-0002/
http://seclists.org/fulldisclosure/2021/May/65
http://seclists.org/fulldisclosure/2021/May/64
https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57
https://www.debian.org/security/2021/dsa-4845
https://www.mend.io/vulnerability-database/CVE-2020-36226

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

Top Fix

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CVSS v3

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH
Additional information:

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