CVEvulnerability
CVE-2020-36227
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-01-26
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-835
Description
A flaw was discovered in OpenLDAP before 2.4.57 leading to an infinite loop in slapd with the cancel_extop Cancel operation, resulting in denial of service.
Affected configurations
• openldap openldap (< 2.4.57)
• debian debian linux 9.0
• debian debian linux 10.0
• apple macos (>= 11.1 < 11.4)
Related
Weakness · CWE (1)
- CWE-835 Loop with Unreachable Exit Condition weakness
References
- http://seclists.org/fulldisclosure/2021/May/64 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/May/65 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/May/70 Mailing List, Third Party Advisory
- https://bugs.openldap.org/show_bug.cgi?id=9428 Issue Tracking, Vendor Advisory
- https://git.openldap.org/openldap/openldap/-/commit/9d0e8485f3113505743baabf1167e01e4558ccf5 Patch, Vendor Advisory
- https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57 Release Notes, Vendor Advisory
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E lists.apache.org
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E lists.apache.org
- https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210226-0002/ Third Party Advisory
- https://support.apple.com/kb/HT212529 Third Party Advisory
- https://support.apple.com/kb/HT212530 Third Party Advisory
- https://support.apple.com/kb/HT212531 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4845 Third Party Advisory
- http://seclists.org/fulldisclosure/2021/May/64 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/May/65 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/May/70 Mailing List, Third Party Advisory
- https://bugs.openldap.org/show_bug.cgi?id=9428 Issue Tracking, Vendor Advisory
- https://git.openldap.org/openldap/openldap/-/commit/9d0e8485f3113505743baabf1167e01e4558ccf5 Patch, Vendor Advisory
- https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57 Release Notes, Vendor Advisory
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E lists.apache.org
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E lists.apache.org
- https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210226-0002/ Third Party Advisory
- https://support.apple.com/kb/HT212529 Third Party Advisory
- https://support.apple.com/kb/HT212530 Third Party Advisory
- https://support.apple.com/kb/HT212531 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4845 Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html cert-portal.siemens.com