Alpine: libldap, multiple openldap packages: security update to 2.4.57-r0

high Tenable Cloud Security Plugin ID 424301

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

- A flaw was discovered in OpenLDAP before 2.4.57 leading in an assertion failure in slapd in the X.509 DN
parsing in decode.c ber_next_element, resulting in denial of service. (CVE-2020-36230)

- An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate
Exact Assertion processing, resulting in denial of service (schema_init.c serialNumberAndIssuerCheck).
(CVE-2020-36221)

- A flaw was discovered in OpenLDAP before 2.4.57 leading to an assertion failure in slapd in the
saslAuthzTo validation, resulting in denial of service. (CVE-2020-36222)

- A flaw was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Values Return Filter
control handling, resulting in denial of service (double free and out-of-bounds read). (CVE-2020-36223)

- A flaw was discovered in OpenLDAP before 2.4.57 leading to an invalid pointer free and slapd crash in the
saslAuthzTo processing, resulting in denial of service. (CVE-2020-36224)

See Also

https://security.alpinelinux.org/vuln/CVE-2020-36221

https://security.alpinelinux.org/vuln/CVE-2020-36222

https://security.alpinelinux.org/vuln/CVE-2020-36223

https://security.alpinelinux.org/vuln/CVE-2020-36224

https://security.alpinelinux.org/vuln/CVE-2020-36225

https://security.alpinelinux.org/vuln/CVE-2020-36226

https://security.alpinelinux.org/vuln/CVE-2020-36227

https://security.alpinelinux.org/vuln/CVE-2020-36228

https://security.alpinelinux.org/vuln/CVE-2020-36229

https://security.alpinelinux.org/vuln/CVE-2020-36230

Plugin Details

Severity: High

ID: 424301

Version: Revision 1.9

Type: Local

Published: 4/4/2025

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2020-36230

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 1/25/2021

Reference Information

CVE: CVE-2020-36221, CVE-2020-36222, CVE-2020-36223, CVE-2020-36224, CVE-2020-36225, CVE-2020-36226, CVE-2020-36227, CVE-2020-36228, CVE-2020-36229, CVE-2020-36230

IAVB: 2020-B-0028-S, 2021-B-0014