This security bulletin contains one low risk vulnerability.
The vulnerability allows a remote authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a double free error within servers/slapd/back-mdb/search.c when processing search requests, which include the Paged Results control with a page size of 0. A remote authenticated attacker can issue a directory search and crash the slapd daemon.
Successful exploitation of the vulnerability may allow a remote authenticated attacker to perform a denial of service (DoS) attack.Mitigation
Update to version 2.4.45.
OpenLDAP: 1.0 - 2.4.44Fixed software versions
Q & A
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?