CVE-2016-5423
8.3 · HIGHOverview
CVE-2016-5423 is a high-severity vulnerability affecting debian debian_linux. It was published on December 9, 2016 and has a CVSS 3.0 base score of 8.3 (HIGH).
This vulnerability has a CVSS 3.0 base score of 8.3, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
PostgreSQL before 9.1.23, 9.2.x before 9.2.18, 9.3.x before 9.3.14, 9.4.x before 9.4.9, and 9.5.x before 9.5.4 allow remote authenticated users to cause a denial of service (NULL pointer dereference and server crash), obtain sensitive memory information, or possibly execute arbitrary code via (1) a CASE expression within the test value subexpression of another CASE or (2) inlining of an SQL function that implements the equality operator used for a CASE expression involving values of different types.
Remediation
Check the references section for vendor advisories and patches from debian. Update debian_linux to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| postgresql | postgresql | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2016-5423?
CVE-2016-5423 is a high-severity vulnerability affecting debian debian_linux. It was published on December 9, 2016 and has a CVSS 3.0 base score of 8.3 (HIGH).
How severe is CVE-2016-5423?
This vulnerability has a CVSS 3.0 base score of 8.3, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2016-5423?
Check the references section for vendor advisories and patches from debian. Update debian_linux to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2016-5423?
CyberStrike's AI-powered security agents can automatically detect CVE-2016-5423 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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