CVE-2026-11884
CVE-2026-11884
A heap buffer overflow flaw was found in 389 Directory Server. When serializing objectclass definitions, the oc_superior (SUP) field length is omitted from buffer size calculations in read_schema_dse() and schema_oc_to_string(), but the fi…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-11884?
- CVE-2026-11884 is a medium-severity vulnerability, classified under Heap-based Buffer Overflow. CVSS score: 6.5/10. Published 2026-06-10.
- How severe is CVE-2026-11884?
- Medium severity. CVSS v3 base score is 6.5 out of 10.