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VulnerabilityPublished Updated

CVE-2025-2487: 389-ds-base · NULL Pointer Dereference

Affects 389-ds-baseSource GCVE Database

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Not known to be exploited · CVSS 4.9 Medium.

Data as of 5 Nov 2026, 18:03 UTC

CVSS 3.1 base score
4.9Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.14.9
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Mar 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
389-ds-baseAffected
  • 2.4.0 – 3.0.0
4 affected builds
Fixed in–

AI-suggested

A security update is available from Red Hat as detailed in advisory RHSA-2025:3663. Users of affected versions should apply the official patches provided by Red Hat for Red Hat Enterprise Linux 9.4 Extended Update Support. No other mitigations or workarounds are specified in the advisory.

Description

CVE-2025-2487 is a vulnerability in the 389-ds-base LDAP server where a NULL pointer dereference occurs during a Modify DN LDAP operation if a privileged user issues a MODDN operation after a failed operation. This flaw can cause a denial of service or system crash. The issue affects specific versions of 389-ds-base and has a CVSS score of 4.9 (medium severity). A security update is available from Red Hat to address this vulnerability.

References

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