CVE-2019-12436
UnknownEPSS 2.84%
Last modified
CVE-2019-12436 is a vulnerability of currently unknown severity. Samba 4.10.x before 4.10.5 has a NULL pointer dereference, leading to an AD DC LDAP server Denial of Service. This is related to an attacker using the paged search control. EPSS estimates a 2.84% chance of exploitation in the next 30 days.
Description
Samba 4.10.x before 4.10.5 has a NULL pointer dereference, leading to an AD DC LDAP server Denial of Service. This is related to an attacker using the paged search control. The attacker must have directory read access in order to attempt an exploit.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Samba | Samba | >= 4.10.0, < 4.10.5 |
| Canonical | Ubuntu Linux | 19.04 |
References
- https://usn.ubuntu.com/4018-1/Third Party Advisory
- https://www.samba.org/samba/security/CVE-2019-12436.htmlVendor Advisory
- https://usn.ubuntu.com/4018-1/Third Party Advisory
- https://www.samba.org/samba/security/CVE-2019-12436.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-12436?
Samba 4.10.x before 4.10.5 has a NULL pointer dereference, leading to an AD DC LDAP server Denial of Service. This is related to an attacker using the paged search control. The attacker must have directory read access in order to attempt an exploit.
How severe is CVE-2019-12436?
Severity scoring for CVE-2019-12436 is pending analysis. The EPSS model estimates a 2.84% probability of exploitation in the next 30 days.
How do I fix CVE-2019-12436?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-12436?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST