What’s Vulnerable › Vulnerabilities

CVE-2016-7416

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-09-17 · updated 2026-06-17
• Weakness: CWE-119

Description

ext/intl/msgformat/msgformat_format.c in PHP before 5.6.26 and 7.x before 7.0.11 does not properly restrict the locale length provided to the Locale class in the ICU library, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a MessageFormatter::formatMessage call with a long first argument.

Affected products

• PHP: through 5.6.25; 7.0.0, 7.0.1, 7.0.2, 7.0.3, 7.0.4, 7.0.5 (+5)

References

• http://www.openwall.com/lists/oss-security/2016/09/15/10
• http://www.php.net/ChangeLog-5.php
• http://www.php.net/ChangeLog-7.php
• http://www.securityfocus.com/bid/93008
• http://www.securitytracker.com/id/1036836
• https://access.redhat.com/errata/RHSA-2018:1296
• https://bugs.php.net/bug.php?id=73007
• https://github.com/php/php-src/commit/6d55ba265637d6adf0ba7e9c9ef11187d1ec2f5b?w=1
• https://security.gentoo.org/glsa/201611-22
• https://www.tenable.com/security/tns-2016-19
• http://www.openwall.com/lists/oss-security/2016/09/15/10
• http://www.php.net/ChangeLog-5.php

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