CVE-2016-7416

Publication date 17 September 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
php5	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Fixed 5.5.9+dfsg-1ubuntu4.20
	12.04 LTS precise	Fixed 5.3.10-1ubuntu3.25
php7.0	16.04 LTS xenial	Fixed 7.0.8-0ubuntu0.16.04.3
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
php5	Upstream: http://git.php.net/?p=php-src.git;a=commit;h=6d55ba265637d6adf0ba7e9c9ef11187d1ec2f5b
php7.0	Upstream: http://git.php.net/?p=php-src.git;a=commit;h=92db16e456ed346d0526c840750213317ac0f067 Upstream: http://git.php.net/?p=php-src.git;a=commit;h=6d55ba265637d6adf0ba7e9c9ef11187d1ec2f5b

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-3095-1
PHP vulnerabilities
4 October 2016