Your submission was sent successfully! Close

Thank you for contacting us. A member of our team will be in touch shortly. Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2020-36226

Publication date 26 January 2021

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
openldap 24.10 oracular
Fixed 2.4.57+dfsg-2ubuntu1
24.04 LTS noble
Fixed 2.4.57+dfsg-2ubuntu1
23.10 mantic
Fixed 2.4.57+dfsg-2ubuntu1
23.04 lunar
Fixed 2.4.57+dfsg-2ubuntu1
22.10 kinetic
Fixed 2.4.57+dfsg-2ubuntu1
22.04 LTS jammy
Fixed 2.4.57+dfsg-2ubuntu1
21.10 impish
Fixed 2.4.57+dfsg-2ubuntu1
21.04 hirsute
Fixed 2.4.57+dfsg-2ubuntu1
20.10 groovy
Fixed 2.4.53+dfsg-1ubuntu1.3
20.04 LTS focal
Fixed 2.4.49+dfsg-2ubuntu1.6
18.04 LTS bionic
Fixed 2.4.45+dfsg-1ubuntu1.9
16.04 LTS xenial
Fixed 2.4.42+dfsg-2ubuntu3.12
14.04 LTS trusty
Vulnerable

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
openldap

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-4724-1
    • OpenLDAP vulnerabilities
    • 8 February 2021

Other references