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CVE-2025-14905— 389-ds-base: 389-ds-base: remote code execution and denial of service via heap buffer overflow

Quick assessment

Affected
Red Hat Red Hat Directory Server 11.5 E4S for RHEL 8
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Red Hat Enterprise Linux是美国红帽（Red Hat）公司的面向企业用户的Linux操作系统。 Red Hat Enterprise Linux 9版本存在安全漏洞，该漏洞源于schema.c文件中schema_attr_enum_callback函数存在堆缓冲区溢出，可能导致拒绝服务或远程代码执行。

CVSS 7.2 · High EPSS 1.14% · P64

Affected Version Matrix 26

VendorProduct Version RangeStatus
Red Hat Red Hat Directory Server 11.5 E4S for RHEL 8 8060020260303152239.0ca98e7e< * unaffected
Red Hat Red Hat Directory Server 11.7 E4S for RHEL 8 8080020260227193008.f969626e< * unaffected
Red Hat Red Hat Directory Server 11.9 for RHEL 8 8100020260312105752.37ed7c03< * unaffected
Red Hat Red Hat Directory Server 12 any affected
Red Hat Red Hat Directory Server 12.2 E4S for RHEL 9 9020020260304180546.1674d574< * unaffected
Red Hat Red Hat Directory Server 12.4 EUS for RHEL 9 9040020260225135630.1674d574< * unaffected
Red Hat Red Hat Directory Server 13 any affected
Red Hat Red Hat Directory Server 13.1 1772040913< * unaffected
Red Hat Red Hat Enterprise Linux 10 0:3.1.3-7.el10_1< * unaffected
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support 0:3.0.6-17.el10_0< * unaffected
Red Hat Red Hat Enterprise Linux 6 any unknown
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support 0:1.3.11.1-11.el7_9< * unaffected
Red Hat Red Hat Enterprise Linux 8 8100020260312103235.25e700aa< * unaffected
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support 8020020260303204738.dbc46ba7< * unaffected
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 8040020260303172348.96015a92< * unaffected
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 8040020260303172348.96015a92< * unaffected
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 8060020260303144613.824efc52< * unaffected
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service 8060020260303144613.824efc52< * unaffected
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions 8060020260303144613.824efc52< * unaffected
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service 8080020260227183930.6dbb3803< * unaffected
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 8080020260227183930.6dbb3803< * unaffected
Red Hat Red Hat Enterprise Linux 9 0:2.7.0-10.el9_7< * unaffected
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions 0:2.0.14-5.el9_0< * unaffected
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:2.2.4-17.el9_2< * unaffected
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support 0:2.4.5-24.el9_4< * unaffected
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support 0:2.6.1-20.el9_6< * unaffected
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I. Basic Information for CVE-2025-14905

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
389-ds-base: 389-ds-base: remote code execution and denial of service via heap buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
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).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Enterprise Linux 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Enterprise Linux是美国红帽（Red Hat）公司的面向企业用户的Linux操作系统。 Red Hat Enterprise Linux 9版本存在安全漏洞，该漏洞源于schema.c文件中schema_attr_enum_callback函数存在堆缓冲区溢出，可能导致拒绝服务或远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Directory Server 11.5 E4S for RHEL 8 8060020260303152239.0ca98e7e ~ * cpe:/a:redhat:directory_server_e4s:11.5::el8
Red Hat Red Hat Directory Server 11.7 E4S for RHEL 8 8080020260227193008.f969626e ~ * cpe:/a:redhat:directory_server_e4s:11.7::el8
Red Hat Red Hat Directory Server 11.9 for RHEL 8 8100020260312105752.37ed7c03 ~ * cpe:/a:redhat:directory_server:11.9::el8
Red Hat Red Hat Directory Server 12.2 E4S for RHEL 9 9020020260304180546.1674d574 ~ * cpe:/a:redhat:directory_server_e4s:12.2::el9
Red Hat Red Hat Directory Server 12.4 EUS for RHEL 9 9040020260225135630.1674d574 ~ * cpe:/a:redhat:directory_server_eus:12.4::el9
Red Hat Red Hat Enterprise Linux 10 0:3.1.3-7.el10_1 ~ * cpe:/o:redhat:enterprise_linux:10.1
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support 0:3.0.6-17.el10_0 ~ * cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support 0:1.3.11.1-11.el7_9 ~ * cpe:/o:redhat:rhel_els:7
Red Hat Red Hat Enterprise Linux 8 8100020260312103235.25e700aa ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support 8020020260303204738.dbc46ba7 ~ * cpe:/a:redhat:rhel_aus:8.2::appstream
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 8040020260303172348.96015a92 ~ * cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 8040020260303172348.96015a92 ~ * cpe:/a:redhat:rhel_aus:8.4::appstream
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 8060020260303144613.824efc52 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service 8060020260303144613.824efc52 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions 8060020260303144613.824efc52 ~ * cpe:/a:redhat:rhel_aus:8.6::appstream
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service 8080020260227183930.6dbb3803 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 8080020260227183930.6dbb3803 ~ * cpe:/a:redhat:rhel_e4s:8.8::appstream
Red Hat Red Hat Enterprise Linux 9 0:2.7.0-10.el9_7 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions 0:2.0.14-5.el9_0 ~ * cpe:/a:redhat:rhel_e4s:9.0::appstream
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:2.2.4-17.el9_2 ~ * cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support 0:2.4.5-24.el9_4 ~ * cpe:/a:redhat:rhel_eus:9.4::appstream
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support 0:2.6.1-20.el9_6 ~ * cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat Red Hat Directory Server 13.1 1772040913 ~ * cpe:/a:redhat:directory_server:13.1::el10
Red Hat Red Hat Directory Server 12 - cpe:/a:redhat:directory_server:12
Red Hat Red Hat Directory Server 13 - cpe:/a:redhat:directory_server:13
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6

II. Public POCs for CVE-2025-14905

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III. Intelligence Information for CVE-2025-14905

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Vendor Advisories for CVE-2025-14905 (18)

IV. Related Vulnerabilities

Same product: Red Hat Directory Server 11.5 E4S for RHEL 8
Same vendor: Red Hat
Same weakness: CWE-122

V. Comments for CVE-2025-14905

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