Red Hat Security Advisory: redhat-ds:12 security update
Affects Red Hat redhat-ds:12Source GCVE Database
Not known to be exploited · CVSS 4.9 Medium.
Data as of 5 Nov 2026, 18:48 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 4.9 |
|---|
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 18 Mar 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
AI-suggested
Red Hat has released an official security update for Red Hat Directory Server 12.4 on RHEL 9.4 that fixes this vulnerability. Users should apply the update as described in the Red Hat advisory (RHSA-2025:3670) and follow the instructions at https://access.redhat.com/articles/11258 to remediate the issue.
Description
A null pointer dereference vulnerability (CVE-2025-2487) in Red Hat Directory Server 12.4 for RHEL 9.4 can lead to a denial of service condition. This issue affects the 389-ds-base component of the directory server. Red Hat has released a security update addressing this moderate severity flaw.