Record status Published
Identifier year (not publication year) 2025
Source publication Feb 23, 2026
Source updated Jun 29, 2026
Imported by cveboard Oct 24, 2026
CNA source text (English) 389-ds-base: 389-ds-base: remote code execution and denial of service via heap buffer overflow
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).
Scoped product and version facts Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Red Hat Directory Server 11.5 E4S for RHEL 8
Vendor Red Hat
Product Red Hat Directory Server 11.5 E4S for RHEL 8
Platforms Unknown
Default status affected
Package redhat-ds:11
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Directory Server 11.5 E4S for RHEL 8 · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
8060020260303152239.0ca98e7e unaffectedrpm * Unavailable None listed
Red Hat Directory Server 11.7 E4S for RHEL 8
Vendor Red Hat
Product Red Hat Directory Server 11.7 E4S for RHEL 8
Platforms Unknown
Default status affected
Package redhat-ds:11
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Directory Server 11.7 E4S for RHEL 8 · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
8080020260227193008.f969626e unaffectedrpm * Unavailable None listed
Red Hat Directory Server 11.9 for RHEL 8
Vendor Red Hat
Product Red Hat Directory Server 11.9 for RHEL 8
Platforms Unknown
Default status affected
Package redhat-ds:11
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Directory Server 11.9 for RHEL 8 · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
8100020260312105752.37ed7c03 unaffectedrpm * Unavailable None listed
Red Hat Directory Server 12.2 E4S for RHEL 9
Vendor Red Hat
Product Red Hat Directory Server 12.2 E4S for RHEL 9
Platforms Unknown
Default status affected
Package redhat-ds:12
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Directory Server 12.2 E4S for RHEL 9 · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
9020020260304180546.1674d574 unaffectedrpm * Unavailable None listed
Red Hat Directory Server 12.4 EUS for RHEL 9
Vendor Red Hat
Product Red Hat Directory Server 12.4 EUS for RHEL 9
Platforms Unknown
Default status affected
Package redhat-ds:12
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Directory Server 12.4 EUS for RHEL 9 · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
9040020260225135630.1674d574 unaffectedrpm * Unavailable None listed
Red Hat Enterprise Linux 10
Vendor Red Hat
Product Red Hat Enterprise Linux 10
Platforms Unknown
Default status affected
Package 389-ds-base
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Enterprise Linux 10 · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
0:3.1.3-7.el10_1 unaffectedrpm * Unavailable None listed
Red Hat Enterprise Linux 10.0 Extended Update Support
Vendor Red Hat
Product Red Hat Enterprise Linux 10.0 Extended Update Support
Platforms Unknown
Default status affected
Package 389-ds-base
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Enterprise Linux 10.0 Extended Update Support · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
0:3.0.6-17.el10_0 unaffectedrpm * Unavailable None listed
Red Hat Enterprise Linux 7 Extended Lifecycle Support
Vendor Red Hat
Product Red Hat Enterprise Linux 7 Extended Lifecycle Support
Platforms Unknown
Default status affected
Package 389-ds-base
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Enterprise Linux 7 Extended Lifecycle Support · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
0:1.3.11.1-11.el7_9 unaffectedrpm * Unavailable None listed
Red Hat Enterprise Linux 8
Vendor Red Hat
Product Red Hat Enterprise Linux 8
Platforms Unknown
Default status affected
Package 389-ds:1.4
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Enterprise Linux 8 · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
8100020260312103235.25e700aa unaffectedrpm * Unavailable None listed
Red Hat Enterprise Linux 8.2 Advanced Update Support
Vendor Red Hat
Product Red Hat Enterprise Linux 8.2 Advanced Update Support
Platforms Unknown
Default status affected
Package 389-ds:1.4
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Enterprise Linux 8.2 Advanced Update Support · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
8020020260303204738.dbc46ba7 unaffectedrpm * Unavailable None listed
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Vendor Red Hat
Product Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Platforms Unknown
Default status affected
Package 389-ds:1.4
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
8040020260303172348.96015a92 unaffectedrpm * Unavailable None listed
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Vendor Red Hat
Product Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Platforms Unknown
Default status affected
Package 389-ds:1.4
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
8040020260303172348.96015a92 unaffectedrpm * Unavailable None listed
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Vendor Red Hat
Product Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Platforms Unknown
Default status affected
Package 389-ds:1.4
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
8060020260303144613.824efc52 unaffectedrpm * Unavailable None listed
Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Vendor Red Hat
Product Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Platforms Unknown
Default status affected
Package 389-ds:1.4
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Enterprise Linux 8.6 Telecommunications Update Service · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
8060020260303144613.824efc52 unaffectedrpm * Unavailable None listed
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Vendor Red Hat
Product Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Platforms Unknown
Default status affected
Package 389-ds:1.4
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
8060020260303144613.824efc52 unaffectedrpm * Unavailable None listed
Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Vendor Red Hat
Product Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Platforms Unknown
Default status affected
Package 389-ds:1.4
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Enterprise Linux 8.8 Telecommunications Update Service · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
8080020260227183930.6dbb3803 unaffectedrpm * Unavailable None listed
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Vendor Red Hat
Product Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Platforms Unknown
Default status affected
Package 389-ds:1.4
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
8080020260227183930.6dbb3803 unaffectedrpm * Unavailable None listed
Red Hat Enterprise Linux 9
Vendor Red Hat
Product Red Hat Enterprise Linux 9
Platforms Unknown
Default status affected
Package 389-ds-base
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Enterprise Linux 9 · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
0:2.7.0-10.el9_7 unaffectedrpm * Unavailable None listed
Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Vendor Red Hat
Product Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Platforms Unknown
Default status affected
Package 389-ds-base
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
0:2.0.14-5.el9_0 unaffectedrpm * Unavailable None listed
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Vendor Red Hat
Product Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Platforms Unknown
Default status affected
Package 389-ds-base
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
0:2.2.4-17.el9_2 unaffectedrpm * Unavailable None listed
Red Hat Enterprise Linux 9.4 Extended Update Support
Vendor Red Hat
Product Red Hat Enterprise Linux 9.4 Extended Update Support
Platforms Unknown
Default status affected
Package 389-ds-base
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Enterprise Linux 9.4 Extended Update Support · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
0:2.4.5-24.el9_4 unaffectedrpm * Unavailable None listed
Red Hat Enterprise Linux 9.6 Extended Update Support
Vendor Red Hat
Product Red Hat Enterprise Linux 9.6 Extended Update Support
Platforms Unknown
Default status affected
Package 389-ds-base
Package collection https://access.redhat.com/downloads/content/package-browser/
Red Hat Enterprise Linux 9.6 Extended Update Support · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
0:2.6.1-20.el9_6 unaffectedrpm * Unavailable None listed
Red Hat Directory Server 13.1
Vendor Red Hat
Product Red Hat Directory Server 13.1
Platforms Unknown
Default status affected
Package dirsrv/dirsrv-container-rhel10
Package collection https://catalog.redhat.com/software/containers/
Red Hat Directory Server 13.1 · Scoped product and version facts Version (version) Status (status) Version scheme (versionType) Exclusive end (lessThan) Inclusive end (lessThanOrEqual) Status changes (at → status)
1772040913 unaffectedrpm * Unavailable None listed
Red Hat Directory Server 12
Vendor Red Hat
Product Red Hat Directory Server 12
Platforms Unknown
Default status affected
Package redhat-ds:12/389-ds-base
Package collection https://access.redhat.com/downloads/content/package-browser/
No explicit version tuples; consult this entry's default status.
Red Hat Directory Server 13
Vendor Red Hat
Product Red Hat Directory Server 13
Platforms Unknown
Default status affected
Package 389-ds-base
Package collection https://access.redhat.com/downloads/content/package-browser/
No explicit version tuples; consult this entry's default status.
Red Hat Enterprise Linux 6
Vendor Red Hat
Product Red Hat Enterprise Linux 6
Platforms Unknown
Default status unknown
Package 389-ds-base
Package collection https://access.redhat.com/downloads/content/package-browser/
No explicit version tuples; consult this entry's default status.