VDB
ALPINE-CVE-2020-12243
ALPINE-CVE-2020-12243
PUBLISHED
CVSS 7.5 HIGH
Record from OSV · Published April 28, 2020
In filter.c in slapd in OpenLDAP before 2.4.50, LDAP search filters with nested boolean expressions can result in denial of service (daemon crash).
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| openldap | Alpine:v3.21 | 2.4.50-r0 |
| openldap | Alpine:v3.16 | 2.4.50-r0 |
| openldap | Alpine:v3.22 | 2.4.50-r0 |
| openldap | Alpine:v3.9 | 2.4.48-r1 |
| openldap | Alpine:v3.8 | 2.4.48-r1 |
| openldap | Alpine:v3.17 | 2.4.50-r0 |
| openldap | Alpine:v3.15 | 2.4.50-r0 |
| openldap | Alpine:v3.24 | 2.4.50-r0 |
| openldap | Alpine:v3.10 | 2.4.48-r1 |
| openldap | Alpine:v3.14 | 2.4.50-r0 |
| openldap | Alpine:v3.13 | 2.4.50-r0 |
| openldap | Alpine:v3.20 | 2.4.50-r0 |
5 more packages have a fixed version. See every fix in Lookup.
Risk scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.21 | openldap | 2.4.49-r0, 2.4.49-r1, 2.4.44-r3 |
| Alpine:v3.16 | openldap | 2.4.49-r1, 2.4.49-r3, 2.4.46-r0 |
| Alpine:v3.22 | openldap | 2.4.49-r3, 2.4.46-r2, 2.4.44-r5 |
| Alpine:v3.9 | openldap | 2.4.36-r1, 2.4.26-r1, 2.4.26-r2 |
| Alpine:v3.8 | openldap | 2.4.24-r3, 2.4.11-r0, 2.4.36-r1 |
| Alpine:v3.17 | openldap | 2.4.21-r2, 2.4.18-r0, 2.4.11-r0 |
| Alpine:v3.15 | openldap | 0, 2.4.11-r0, 2.4.16-r0 |
| Alpine:v3.24 | openldap | 0 |
| Alpine:v3.10 | openldap | 2.4.39-r0, 2.4.28-r2, 2.4.21-r1 |
| Alpine:v3.14 | openldap | 2.4.48-r4, 2.4.49-r0, 2.4.49-r1 |
| Alpine:v3.13 | openldap | 2.4.46-r1, 2.4.46-r2, 2.4.43-r0 |
| Alpine:v3.20 | openldap | 2.4.42-r0, 2.4.11-r0, 0 |
| Alpine:v3.11 | openldap | 2.4.36-r1, 2.4.24-r2, 2.4.42-r0 |
| Alpine:v3.23 | openldap | 2.4.47-r2, 2.4.47-r3, 2.4.48-r0 |
| Alpine:v3.12 | openldap | 2.4.42-r1, 2.4.40-r5, 2.4.40-r2 |
| Alpine:v3.18 | openldap | 2.4.18-r0, 2.4.49-r3, 2.4.49-r2 |
| Alpine:v3.19 | openldap | 0, 2.4.49-r0, 2.4.48-r1 |
Timeline
- Apr 28, 2020 CVE Published
- Aug 5, 2026 CVE Updated
- Aug 8, 2026 Distribution Patch
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln ALPINE-CVE-2020-12243
vulnetix vdb fixes ALPINE-CVE-2020-12243Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/ALPINE-CVE-2020-12243/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart