| Name | CVE-2021-27212 |
| Description | In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime. |
| 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-2574-1, DSA-4860-1, ELA-371-1 |
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.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| openldap | source | jessie | 2.4.40+dfsg-1+deb8u10 | ELA-371-1 | ||
| openldap | source | stretch | 2.4.44+dfsg-5+deb9u8 | DLA-2574-1 | ||
| openldap | source | buster | 2.4.47+dfsg-3+deb10u6 | DSA-4860-1 | ||
| openldap | source | (unstable) | 2.4.57+dfsg-2 |
https://bugs.openldap.org/show_bug.cgi?id=9454
trunk: https://git.openldap.org/openldap/openldap/-/commit/3539fc33212b528c56b716584f2c2994af7c30b0
REL_ENG 2.4.x: https://git.openldap.org/openldap/openldap/-/commit/9badb73425a67768c09bcaed1a9c26c684af6c30