| Name | CVE-2020-25710 |
| Description | A flaw was found in OpenLDAP in versions before 2.4.56. This flaw allows an attacker who sends a malicious packet processed by OpenLDAP to force a failed assertion in csnNormalize23(). The highest threat from this vulnerability is to system availability. |
| 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-2481-1, DSA-4792-1, ELA-327-1 |
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+deb8u8 | ELA-327-1 | ||
| openldap | source | stretch | 2.4.44+dfsg-5+deb9u6 | DLA-2481-1 | ||
| openldap | source | buster | 2.4.47+dfsg-3+deb10u4 | DSA-4792-1 | ||
| openldap | source | (unstable) | 2.4.56+dfsg-1 |
https://bugs.openldap.org/show_bug.cgi?id=9384
https://git.openldap.org/openldap/openldap/-/commit/bdb0d459187522a6063df13871b82ba8dcc6efe2 (OPENLDAP_REL_ENG_2_4_56)