CVE-2020-36221

Published: 26 January 2021

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service (schema_init.c serialNumberAndIssuerCheck).

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
openldap
Launchpad, Ubuntu, Debian
Upstream
Released (2.4.57+dfsg-1)
Ubuntu 21.10 (Impish Indri)
Released (2.4.57+dfsg-2ubuntu1)
Ubuntu 21.04 (Hirsute Hippo)
Released (2.4.57+dfsg-2ubuntu1)
Ubuntu 20.04 LTS (Focal Fossa)
Released (2.4.49+dfsg-2ubuntu1.6)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (2.4.45+dfsg-1ubuntu1.9)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (2.4.42+dfsg-2ubuntu3.12)
Ubuntu 14.04 ESM (Trusty Tahr) Needed

Patches:
Upstream: https://git.openldap.org/openldap/openldap/-/commit/38ac838e4150c626bbfa0082b7e2cf3a2bb4df31
Upstream: https://git.openldap.org/openldap/openldap/-/commit/58c1748e81c843c5b6e61648d2a4d1d82b47e842