Is CVE-2020-36226 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 4%.

What products does CVE-2020-36226 affect?

Tracked products affected include Debian, macOS, OpenLDAP, OS X. Check the version you run to see whether it is affected.

How do I fix CVE-2020-36226?

Apply the vendor fix promptly. An official patch or advisory is available. Upgrade affected products to a fixed version.

← All products

CVE-2020-36226

Q: What is CVE-2020-36226?

CVE-2020-36226 is a high-severity software vulnerability with a CVSS score of 7.5. 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.

HIGH severity · CVSS 7.5

7.5CVSS HIGH

Summary

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.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

Confidentiality impactNone

Integrity impactNone

Availability impactHigh

Exploit probability (EPSS)4%

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products we track (4)

Debian macOS OpenLDAP OS X

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Official patch: https://git.openldap.org/openldap/openldap/-/commit/554dff1927176579d652f2fe60c90e9abbad4c65 ↗

Additional information

NVD record
https://git.openldap.org/openldap/openldap/-/commit/554dff1927176579d652f2fe60c90e9abbad4c65Patch
https://git.openldap.org/openldap/openldap/-/commit/5a2017d4e61a6ddc4dcb4415028e0d08eb6bca26Patch
https://git.openldap.org/openldap/openldap/-/commit/c0b61a9486508e5202aa2e0cfb68c9813731b439Patch
https://git.openldap.org/openldap/openldap/-/commit/d169e7958a3e0dc70f59c8374bf8a59833b7bdd8Patch
https://bugs.openldap.org/show_bug.cgi?id=9413Advisory
http://seclists.org/fulldisclosure/2021/May/64Advisory
http://seclists.org/fulldisclosure/2021/May/65Advisory
http://seclists.org/fulldisclosure/2021/May/70Advisory