CVE-2022-1586
9.1 · CRITICALOverview
CVE-2022-1586 is a critical-severity vulnerability affecting pcre pcre2. It was published on May 16, 2022 and has a CVSS 3.1 base score of 9.1 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the compile_xclass_matchingpath() function of the pcre2_jit_compile.c file. This involves a unicode property matching issue in JIT-compiled regular expressions. The issue occurs because the character was not fully read in case-less matching within JIT.
Remediation
Check the references section for vendor advisories and patches from pcre. Update pcre2 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 |
|---|---|---|---|
| pcre | pcre2 | >= 0, < 10.40 | Affected |
References
Frequently Asked Questions
What is CVE-2022-1586?
CVE-2022-1586 is a critical-severity vulnerability affecting pcre pcre2. It was published on May 16, 2022 and has a CVSS 3.1 base score of 9.1 (CRITICAL).
How severe is CVE-2022-1586?
This vulnerability has a CVSS 3.1 base score of 9.1, 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-2022-1586?
Check the references section for vendor advisories and patches from pcre. Update pcre2 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-2022-1586?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-1586 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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