CVE-2020-12243
HIGH7.5EPSS 11.9%openldap - security update
Published: 4/28/2020Modified: 4/28/2026
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).
Affected packages (5)
- Alpine/openldapfrom 0, < 2.4.48-r1
- Bitnami/openldapfrom 0, < 2.4.50
- Debian/openldapfrom 0, < 2.4.50+dfsg-1
- Debian/openldapfrom 0, < 2.4.40+dfsg-1+deb8u6
- Debian/openldapfrom 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 |
References (15)
- ADVISORYhttps://security.alpinelinux.org/vuln/CVE-2020-12243
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2020-12243
- WEBhttp://lists.opensuse.org/opensuse-security-announce/2020-05/msg00016.html
- WEBhttps://bugs.openldap.org/show_bug.cgi?id=9202
- WEBhttps://git.openldap.org/openldap/openldap/-/blob/OPENLDAP_REL_ENG_2_4/CHANGES
- WEBhttps://git.openldap.org/openldap/openldap/-/commit/98464c11df8247d6a11b52e294ba5dd4f0380440
- WEBhttps://lists.debian.org/debian-lts-announce/2020/05/msg00001.html
- WEBhttps://nvd.nist.gov/vuln/detail/CVE-2020-12243
- WEBhttps://security.netapp.com/advisory/ntap-20200511-0003/
- WEBhttps://support.apple.com/kb/HT211289
- WEBhttps://usn.ubuntu.com/4352-1/
- WEBhttps://usn.ubuntu.com/4352-2/
- WEBhttps://www.debian.org/security/2020/dsa-4666
- WEBhttps://www.oracle.com/security-alerts/cpuapr2022.html
- WEBhttps://www.oracle.com/security-alerts/cpuoct2020.html