| Name | CVE-2020-12243 |
| 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). |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2199-1, DSA-4666-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| openldap (PTS) | jessie, jessie (lts) | 2.4.40+dfsg-1+deb8u11 | fixed |
| stretch (security), stretch (lts), stretch | 2.4.44+dfsg-5+deb9u9 | fixed |
| buster (security), buster, buster (lts) | 2.4.47+dfsg-3+deb10u7 | fixed |
| bullseye (security), bullseye | 2.4.57+dfsg-3+deb11u1 | fixed |
| bookworm | 2.5.13+dfsg-5 | fixed |
| sid, trixie | 2.5.18+dfsg-3 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://bugs.openldap.org/show_bug.cgi?id=9202
https://git.openldap.org/openldap/openldap/-/commit/d38d48fc8f572dedfb67b9da61a2ba3b125ced91 (master)
https://git.openldap.org/openldap/openldap/-/commit/98464c11df8247d6a11b52e294ba5dd4f0380440 (OPENLDAP_REL_ENG_2_4_50)