CVE-2020-12243
openldap - security update
7.5
HIGH
CVSS 3.1
EPSS 11.9%
Description
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).
How to fix CVE-2020-12243
To remediate CVE-2020-12243, upgrade the affected package to a fixed version below.
- Alpine/openldap—upgrade to 2.4.48-r1 or later
- Bitnami/openldap—upgrade to 2.4.50 or later
- —upgrade to 2.4.50+dfsg-1 or later
- —upgrade to 2.4.40+dfsg-1+deb8u6 or later
- —upgrade to 2.4.44+dfsg-5+deb9u4 or later
Is CVE-2020-12243 being exploited?
Moderate — EPSS is 11.9%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (5)
- from 0, < 2.4.48-r1
- from 0, < 2.4.50
- from 0, < 2.4.50+dfsg-1
- from 0, < 2.4.40+dfsg-1+deb8u6
- from 0, < 2.4.44+dfsg-5+deb9u4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |