| Name | CVE-2020-36226 |
| Description | A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch->bv_len miscalculation and slapd crash in the saslAuthzTo processing, resulting in denial of service. |
| 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-2544-1, DSA-4845-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| openldap (PTS) | 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://git.openldap.org/openldap/openldap/-/commit/554dff1927176579d652f2fe60c90e9abbad4c65 (OPENLDAP_REL_ENG_2_4_57)
https://git.openldap.org/openldap/openldap/-/commit/c0b61a9486508e5202aa2e0cfb68c9813731b439 (OPENLDAP_REL_ENG_2_4_57)
https://git.openldap.org/openldap/openldap/-/commit/5a2017d4e61a6ddc4dcb4415028e0d08eb6bca26 (OPENLDAP_REL_ENG_2_4_57)
https://bugs.openldap.org/show_bug.cgi?id=9413
https://git.openldap.org/openldap/openldap/-/commit/d169e7958a3e0dc70f59c8374bf8a59833b7bdd8 (OPENLDAP_REL_ENG_2_4_57)
CVE-2020-36224, CVE-2020-36225 and CVE-2020-36226 are related but differend ids