CVE-2022-37434
9.8 · CRITICALOverview
CVE-2022-37434 is a critical-severity vulnerability affecting zlib zlib. It was published on August 5, 2022 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field. NOTE: only applications that call inflateGetHeader are affected. Some common applications bundle the affected zlib source code but may be unable to call inflateGetHeader (e.g., see the nodejs/node reference).
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 |
| apple | ipados | >= 0, < 15.7.1 | Affected |
| apple | iphone_os | >= 0, < 15.7.1 | Affected |
| apple | macos | >= 11.0, < 11.7.1 | Affected |
| apple | watchos | >= 0, < 9.1 | Affected |
References
Frequently Asked Questions
What is CVE-2022-37434?
CVE-2022-37434 is a critical-severity vulnerability affecting zlib zlib. It was published on August 5, 2022 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2022-37434?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2022-37434?
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-2022-37434?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-37434 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.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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