CWE
416
Advisory Published
CVE Published
Updated

CVE-2019-13224: Use After Free

First published: Thu Jun 27 2019(Updated: )

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.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Oniguruma Project Oniguruma=6.9.2
PHP PHP>=7.1.0<7.1.32
PHP PHP>=7.2.0<7.2.23
PHP PHP>=7.3.0<7.3.9
Fedoraproject Fedora=29
Fedoraproject Fedora=30
Debian Debian Linux=8.0
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=14.04
PHP PHP<7.1.32
7.1.32
IBM IBM® Db2® on Cloud Pak for Data and Db2 Warehouse on Cloud Pak for Data<=v3.5 through refresh 10v4.0 through refresh 9v4.5 through refresh 3v4.6 through refresh 6v4.7 through refresh 4v4.8 through refresh 4
debian/libonig
6.9.6-1.1
6.9.8-1
6.9.9-1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID for this issue?

    The vulnerability ID for this issue is CVE-2019-13224.

  • What is the severity of CVE-2019-13224?

    The severity of CVE-2019-13224 is medium with a CVSS score of 6.8.

  • What is the affected software?

    The affected software is PHP version up to exclusive 7.1.32.

  • What is the impact of CVE-2019-13224?

    The impact of CVE-2019-13224 can include information disclosure, denial of service, or possibly code execution.

  • How can I fix CVE-2019-13224?

    To fix CVE-2019-13224, update to PHP version 7.1.32 or later.

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