Buffer overflow in Red Hat Directory Server 11
CVE-2026-15722
A stack buffer overflow flaw was found in 389 Directory Server (389-ds-base). The get_ruvelement_from_berval() function in repl5_ruv.c copies digit characters from a network-supplied RUV berval into a fixed 16-byte stack buffer without bou…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
Frequently asked questions
- What is CVE-2026-15722?
- CVE-2026-15722 is a high-severity vulnerability in Red Hat Directory Server 11, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-07-31.
- How severe is CVE-2026-15722?
- High severity. CVSS v3 base score is 7.5 out of 10.