CVE-2025-14905 (GCVE-0-2025-14905)

Vulnerability from cvelistv5 – Published: 2026-02-23 15:41 – Updated: 2026-03-31 15:40
VLAI?
Title
389-ds-base: 389-ds-base: remote code execution and denial of service via heap buffer overflow
Summary
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).
Severity ?
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
https://access.redhat.com/errata/RHSA-2026:3189 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3208 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3379 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3504 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4207 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4661 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4720 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5196 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5511 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5512 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5513 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5514 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5568 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5569 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5576 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5597 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5598 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6220 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:6268 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2025-14905 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2423624 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat Directory Server 11.5 E4S for RHEL 8 Unaffected: 8060020260303152239.0ca98e7e , < * (rpm)
    cpe:/a:redhat:directory_server_e4s:11.5::el8
 Create a notification for this product.
    Red Hat Red Hat Directory Server 11.7 E4S for RHEL 8 Unaffected: 8080020260227193008.f969626e , < * (rpm)
    cpe:/a:redhat:directory_server_e4s:11.7::el8
 Create a notification for this product.
    Red Hat Red Hat Directory Server 11.9 for RHEL 8 Unaffected: 8100020260312105752.37ed7c03 , < * (rpm)
    cpe:/a:redhat:directory_server:11.9::el8
 Create a notification for this product.
    Red Hat Red Hat Directory Server 12.2 E4S for RHEL 9 Unaffected: 9020020260304180546.1674d574 , < * (rpm)
    cpe:/a:redhat:directory_server_e4s:12.2::el9
 Create a notification for this product.
    Red Hat Red Hat Directory Server 12.4 EUS for RHEL 9 Unaffected: 9040020260225135630.1674d574 , < * (rpm)
    cpe:/a:redhat:directory_server_eus:12.4::el9
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:3.1.3-7.el10_1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.1
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Unaffected: 0:3.0.6-17.el10_0 , < * (rpm)
    cpe:/o:redhat:enterprise_linux_eus:10.0
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 0:1.3.11.1-11.el7_9 , < * (rpm)
    cpe:/o:redhat:rhel_els:7
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 8100020260312103235.25e700aa , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 8020020260303204738.dbc46ba7 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.2::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 8040020260303172348.96015a92 , < * (rpm)
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Unaffected: 8040020260303172348.96015a92 , < * (rpm)
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 8060020260303144613.824efc52 , < * (rpm)
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service Unaffected: 8060020260303144613.824efc52 , < * (rpm)
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Unaffected: 8060020260303144613.824efc52 , < * (rpm)
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 8080020260227183930.6dbb3803 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/a:redhat:rhel_tus:8.8::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 8080020260227183930.6dbb3803 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/a:redhat:rhel_tus:8.8::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.7.0-10.el9_7 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/a:redhat:enterprise_linux:9::crb
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Unaffected: 0:2.0.14-5.el9_0 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.0::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:2.2.4-17.el9_2 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.2::appstream
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:2.4.5-24.el9_4 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.4::appstream
    cpe:/a:redhat:rhel_eus:9.4::crb
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support Unaffected: 0:2.6.1-20.el9_6 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.6::crb
    cpe:/a:redhat:rhel_eus:9.6::appstream
 Create a notification for this product.
    Red Hat Red Hat Directory Server 13.1 Unaffected: sha256:5e49efa2b8764403fad13b81c968b76c7b6400fabd83bf95e2f7667b90e93ab5 , < * (rpm)
    cpe:/a:redhat:directory_server:13.1::el10
 Create a notification for this product.
    Red Hat Red Hat Directory Server 12     cpe:/a:redhat:directory_server:12
 Create a notification for this product.
    Red Hat Red Hat Directory Server 13     cpe:/a:redhat:directory_server:13
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
Date Public ?
2026-02-23 00:00
Credits
This issue was discovered by Red Hat Security Research Team (Red Hat Inc.).
Show details on NVD website
To clipboard 

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\"name\": \"RHSA-2026:5513\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:5514\", \"name\": \"RHSA-2026:5514\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:5568\", \"name\": \"RHSA-2026:5568\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:5569\", \"name\": \"RHSA-2026:5569\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:5576\", \"name\": \"RHSA-2026:5576\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:5597\", \"name\": \"RHSA-2026:5597\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:5598\", \"name\": \"RHSA-2026:5598\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:6220\", \"name\": \"RHSA-2026:6220\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:6268\", \"name\": \"RHSA-2026:6268\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/security/cve/CVE-2025-14905\", \"tags\": [\"vdb-entry\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2423624\", \"name\": \"RHBZ#2423624\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"Restrict network access to the 389-ds-base server to only trusted hosts and networks using firewall rules. Additionally, ensure that administrative access to the server is strictly limited to authorized personnel with strong authentication, as exploitation requires high privileges. This reduces the attack surface and the likelihood of an attacker gaining the necessary privileges to trigger the heap overflow.\"}], \"x_generator\": {\"engine\": \"cvelib 1.8.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"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).\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-122\", \"description\": \"Heap-based Buffer Overflow\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2026-03-31T15:40:05.143Z\"}, \"x_redhatCweChain\": \"CWE-122: Heap-based Buffer Overflow\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-14905\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-31T15:40:05.143Z\", \"dateReserved\": \"2025-12-18T18:06:35.400Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2026-02-23T15:41:47.976Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.