Description
A heap overflow flaw was found in 389-ds-base. This issue leads to a denial of service when writing a value larger than 256 chars in log_entry_attr.
Affected products
redhat: 389 directory server; redhat: directory server; fedoraproject: fedora; redhat: enterprise linux eus; redhat: enterprise linux; redhat: enterprise linux for arm 64 eus; redhat: enterprise linux for ibm z systems; redhat: enterprise linux for ibm z systems eus; redhat: enterprise linux for power little endian eus; redhat: enterprise linux server aus; redhat: enterprise linux server for power little endian update services for sap solutions; redhat: enterprise linux server tus; redhat: enterprise linux update services for sap solutions
References10
- access.redhat.com/errata/RHSA-2024:1074 Vendor Advisory
- access.redhat.com/errata/RHSA-2024:1372 Vendor Advisory
- access.redhat.com/errata/RHSA-2024:3047 Vendor Advisory
- access.redhat.com/errata/RHSA-2024:4209 Vendor Advisory
- access.redhat.com/errata/RHSA-2024:4633 Vendor Advisory
- access.redhat.com/errata/RHSA-2024:5690 Vendor Advisory
- access.redhat.com/errata/RHSA-2024:7458 Vendor Advisory
- access.redhat.com/security/cve/CVE-2024-1062 Vendor Advisory
- bugzilla.redhat.com/show_bug.cgi?id=2256711 Issue TrackingVendor Advisory
- bugzilla.redhat.com/show_bug.cgi?id=2261879 Issue TrackingVendor Advisory
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 24 · as of 5 November 2026
- CWE
- CWE-122
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.