CVE-2026-117548 A NULL pointer dereference flaw was found in 389-ds-base.
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-117548?
CVE-2026-117548 is a medium-severity vulnerability in Red Hat Directory Server 11, published on 29 Oct 2026.
Official description
A NULL pointer dereference flaw was found in 389-ds-base. This flaw occurs when a ModifyDN (rename) operation uses an attribute's schema alias name (such as "commonName") instead of its canonical name (such as "cn") as the new relative distinguished name. An authenticated attacker with the ModifyDN (rename) permission on the affected entry can use this flaw to crash the directory server, causing a denial of service.
Weakness: CWE-476
Which versions are affected by CVE-2026-117548?
How do I fix CVE-2026-117548?
No fix has been published for CVE-2026-117548 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-117548 being exploited?
There is no known exploitation of CVE-2026-117548 in the wild and no public exploit code.
Sources
Also known as GHSA-7q7x-f5rc-ffjj, UBUNTU-CVE-2026-117548.