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CVE-2020-36226: openldap before 2.4.57 (exclusive); +7 more affected products
CVE-2020-36226. CVSS 3.1 base score 7.5 (HIGH, NVD). EPSS 0.04184 (percentile 0.90711), scored 13-Oct-2026.
Affected technology
openldap · before 2.4.57 (exclusive)
openldap
debian linux · 9.0
debian
debian linux · 10.0
debian
mac os x · from 10.14.0 (inclusive), before 10.14.6 (exclusive)
apple
mac os x · 10.14.6
apple
mac os x · 10.14.6 · update security_update_2019-004
apple
mac os x · 10.14.6 · update security_update_2019-005
apple
mac os x · 10.14.6 · update security_update_2019-006
apple
mac os x · 10.14.6 · update security_update_2019-007
apple
mac os x · 10.14.6 · update security_update_2020-001
apple
mac os x · 10.14.6 · update security_update_2020-002
apple
mac os x · 10.14.6 · update security_update_2020-003
apple
mac os x · 10.14.6 · update security_update_2020-004
apple
mac os x · 10.14.6 · update security_update_2020-005
apple
mac os x · 10.14.6 · update security_update_2020-006
apple
mac os x · 10.14.6 · update security_update_2020-007
apple
mac os x · 10.14.6 · update security_update_2021-001
apple
mac os x · 10.14.6 · update security_update_2021-002
apple
mac os x · 10.14.6 · update security_update_2021-003
apple
mac os x · 10.14.6 · update supplemental_update
apple
mac os x · 10.14.6 · update supplemental_update_2
apple
macos · from 11.1 (inclusive), before 11.4 (exclusive)
apple
n/a · n/a
Vendor not specified by the source
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens
Description’s affected range: before 2.4.57 leading to a memch->bv_len miscalculation and slapd crash in the saslAuthzTo processing, resulting in denial of service
Component: Not specified by the source
Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
The source reports that an attacker could disrupt service. NVD’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high.
- CCR priority
- 31.0 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · NVD
- EPSS
- 0.04184 · percentile 0.90711 · 2026-10-13
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-14 16:01:16.619248+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-14 15:56:36.793806+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2020-36226.html