CVE-2026-22184
7.8 · HIGHOverview
CVE-2026-22184 is a high-severity vulnerability affecting zlib zlib. It was published on January 7, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
zlib versions up to and including 1.3.1.2 include a global buffer overflow in the untgz utility located under contrib/untgz. The vulnerability is limited to the standalone demonstration utility and does not affect the core zlib compression library. The flaw occurs when a user executes the untgz command with an excessively long archive name supplied via the command line, leading to an out-of-bounds write in a fixed-size global buffer.
Remediation
Check the references section for vendor advisories and patches from zlib. Update zlib 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 |
|---|---|---|---|
| zlib | zlib | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2026-22184?
CVE-2026-22184 is a high-severity vulnerability affecting zlib zlib. It was published on January 7, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2026-22184?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-22184?
Check the references section for vendor advisories and patches from zlib. Update zlib 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-2026-22184?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-22184 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.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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