CVE-2017-2591
389-ds-base before version 1.3.6 is vulnerable to an improperly NULL terminated array in the uniqueness_entry_to_config() function in the "attribute uniqueness" plugin of 389 Directory Server.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
389-ds-base before version 1.3.6 is vulnerable to an improperly NULL terminated array in the uniqueness_entry_to_config() function in the "attribute uniqueness" plugin of 389 Directory Server. An authenticated, or possibly unauthenticated, attacker could use this flaw to force an out-of-bound heap memory read, possibly triggering a crash of the LDAP service.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.81% probability · 86th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-122, CWE-125
- Affected
- fedoraproject/389 directory server · redhat/enterprise linux
- Source
- secalert@redhat.com
EPSS 2.8% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/95670Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2591Issue Tracking, Third Party Advisory
- https://pagure.io/389-ds-base/issue/48986Patch, Third Party Advisory
- http://www.securityfocus.com/bid/95670Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2591Issue Tracking, Third Party Advisory
- https://pagure.io/389-ds-base/issue/48986Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.