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.
[
{
"product": "openldap",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "openldap 2.4.56"
}
]
}
]
bugzilla.redhat.com/show_bug.cgi?id=1899678
git.openldap.org/openldap/openldap/-/commit/ab3915154e69920d480205b4bf5ccb2b391a0a1f#a2feb6ed0257c21c6672793ee2f94eaadc10c72c
lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
lists.debian.org/debian-lts-announce/2020/12/msg00008.html
security.netapp.com/advisory/ntap-20210716-0003/
www.debian.org/security/2020/dsa-4792