NULL pointer dereference in Red Hat Enterprise Linux 10
CVE-2026-73199
A flaw was found in the `ipa-enrollment` SLAPI plugin. A remote authenticated client can exploit a null pointer dereference vulnerability by sending a malformed Lightweight Directory Access Protocol (LDAP) extended operation. By omitting the request value for the `JOIN_OID` in the `ipa-enrollment` extended operation, an attacker can trigger a server crash, potentially causing a denial of service.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
Frequently asked questions
- What is CVE-2026-73199?
- CVE-2026-73199 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2026-08-20.
- How severe is CVE-2026-73199?
- Medium severity. CVSS v3 base score is 6.5 out of 10.