| Name | CVE-2020-36223 |
| Description | 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). |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-2544-1, DSA-4845-1 |
| NVD severity | medium |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| openldap (PTS) | stretch | 2.4.44+dfsg-5+deb9u4 | vulnerable |
| stretch (security) | 2.4.44+dfsg-5+deb9u8 | fixed | |
| buster | 2.4.47+dfsg-3+deb10u4 | vulnerable | |
| buster (security) | 2.4.47+dfsg-3+deb10u6 | fixed | |
| bullseye, sid | 2.4.57+dfsg-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| openldap | source | stretch | 2.4.44+dfsg-5+deb9u7 | DLA-2544-1 | ||
| openldap | source | buster | 2.4.47+dfsg-3+deb10u5 | DSA-4845-1 | ||
| openldap | source | (unstable) | 2.4.57+dfsg-1 |
https://bugs.openldap.org/show_bug.cgi?id=9408
https://git.openldap.org/openldap/openldap/-/commit/21981053a1195ae1555e23df4d9ac68d34ede9dd (OPENLDAP_REL_ENG_2_4_57)