What’s Vulnerable › Vulnerabilities

CVE-2019-13224

Description

A use-after-free in onig_new_deluxe() in regext.c in Oniguruma 6.9.2 allows attackers to potentially cause information disclosure, denial of service, or possibly code execution by providing a crafted regular expression. The attacker provides a pair of a regex pattern and a string, with a multi-byte encoding that gets handled by onig_new_deluxe(). Oniguruma issues often affect Ruby, as well as common optional libraries for PHP and Rust.

Affected products

How to fix

Upgrade to a fixed version: PHP 7.1.32, 7.2.23, 7.3.9. Check the vendor advisory for mitigations.

References

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