CVE-2025-14905: Red Hat Directory Server 11.5 e4s For Rhel 8
High severity, CVSS 7.2. EPSS: 1.2% chance of exploitation in the next 30 days.
A flaw was found in the 389-ds-base server. A heap buffer overflow vulnerability exists in the `schema_attr_enum_callback` function within the `schema.c` file. This occurs because the code incorrectly calculates the buffer size by summing alias string lengths without accounting for additional formatting characters. When a large number of aliases are processed, this oversight can lead to a heap overflow, potentially allowing a remote attacker to cause a Denial of Service (DoS) or achieve Remote Code Execution (RCE).
Affected products
- Red Hat Red Hat Directory Server 11.5 e4s For Rhel 8: before 8060020260303152239.0ca98e7e (fixed in 8060020260303152239.0ca98e7e)
- Red Hat Red Hat Directory Server 11.7 e4s For Rhel 8: before 8080020260227193008.f969626e (fixed in 8080020260227193008.f969626e)
- Red Hat Red Hat Directory Server 11.9 For Rhel 8: before 8100020260312105752.37ed7c03 (fixed in 8100020260312105752.37ed7c03)
- Red Hat Red Hat Directory Server 12
- Red Hat Red Hat Directory Server 12.2 e4s For Rhel 9: before 9020020260304180546.1674d574 (fixed in 9020020260304180546.1674d574)
- Red Hat Red Hat Directory Server 12.4 Eus For Rhel 9: before 9040020260225135630.1674d574 (fixed in 9040020260225135630.1674d574)
- Red Hat Red Hat Directory Server 13
- Red Hat Red Hat Directory Server 13.1: before 1772040913 (fixed in 1772040913)
- Red Hat Red Hat Enterprise Linux 10: before 0:3.1.3-7.el10_1 (fixed in 0:3.1.3-7.el10_1)
- Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support: before 0:3.0.6-17.el10_0 (fixed in 0:3.0.6-17.el10_0)
- Red Hat Red Hat Enterprise Linux 6
- Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support: before 0:1.3.11.1-11.el7_9 (fixed in 0:1.3.11.1-11.el7_9)
- Red Hat Red Hat Enterprise Linux 8: before 8100020260312103235.25e700aa (fixed in 8100020260312103235.25e700aa)
- Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support: before 8020020260303204738.dbc46ba7 (fixed in 8020020260303204738.dbc46ba7)
- Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support: before 8040020260303172348.96015a92 (fixed in 8040020260303172348.96015a92)
- Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On: before 8040020260303172348.96015a92 (fixed in 8040020260303172348.96015a92)
- Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support: before 8060020260303144613.824efc52 (fixed in 8060020260303144613.824efc52)
- Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service: before 8060020260303144613.824efc52 (fixed in 8060020260303144613.824efc52)
- Red Hat Red Hat Enterprise Linux 8.6 Update Services For SAP Solutions: before 8060020260303144613.824efc52 (fixed in 8060020260303144613.824efc52)
- Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service: before 8080020260227183930.6dbb3803 (fixed in 8080020260227183930.6dbb3803)
- Red Hat Red Hat Enterprise Linux 8.8 Update Services For SAP Solutions: before 8080020260227183930.6dbb3803 (fixed in 8080020260227183930.6dbb3803)
- Red Hat Red Hat Enterprise Linux 9: before 0:2.7.0-10.el9_7 (fixed in 0:2.7.0-10.el9_7)
- Red Hat Red Hat Enterprise Linux 9.0 Update Services For SAP Solutions: before 0:2.0.14-5.el9_0 (fixed in 0:2.0.14-5.el9_0)
- Red Hat Red Hat Enterprise Linux 9.2 Update Services For SAP Solutions: before 0:2.2.4-17.el9_2 (fixed in 0:2.2.4-17.el9_2)
- Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support: before 0:2.4.5-24.el9_4 (fixed in 0:2.4.5-24.el9_4)
- and 1 more
Published 2026-02-23. Last modified 2026-06-30.