What is CVE-2017-2591?

CVE-2017-2591 is a low-severity vulnerability in Unspecified 389-Ds-Base, classified under Heap-based Buffer Overflow. CVSS score: 3.7/10. Published 2018-04-30.

How severe is CVE-2017-2591?

Low severity. CVSS v3 base score is 3.7 out of 10.

Buffer overflow in Unspecified 389-Ds-Base

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. 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.

Vulnerability class: Buffer Overflow

Published 2018-04-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.028 (86.3th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.029 · newest: 0.028 · change: -0.001

Affected products

Unspecified 389-Ds-Base — versions 389-ds-base 1.3.6
Fedoraproject 389 Directory Server
Red Hat Enterprise Linux — versions 7.0

Weakness classification (CWE)

References

pagure.io/389-ds-base/issue/48986 (Patch, Third Party Advisory)
bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
www.securityfocus.com/bid/95670 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-2591?: CVE-2017-2591 is a low-severity vulnerability in Unspecified 389-Ds-Base, classified under Heap-based Buffer Overflow. CVSS score: 3.7/10. Published 2018-04-30.
How severe is CVE-2017-2591?: Low severity. CVSS v3 base score is 3.7 out of 10.