CVE-2016-10161

Publication date 24 January 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The object_common1 function in ext/standard/var_unserializer.c in PHP before 5.6.30, 7.0.x before 7.0.15, and 7.1.x before 7.1.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) via crafted serialized data that is mishandled in a finish_nested_data call.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
php5	16.10 yakkety	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Fixed 5.5.9+dfsg-1ubuntu4.21
	12.04 LTS precise	Fixed 5.3.10-1ubuntu3.26
php7.0	16.10 yakkety	Fixed 7.0.15-0ubuntu0.16.10.2
	16.04 LTS xenial	Fixed 7.0.15-0ubuntu0.16.04.2
	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=16b3003ffc6393e250f069aa28a78dc5a2c064b2 Upstream: http://git.php.net/?p=php-src.git;a=commit;h=fa2125df6766bb7edac0a0bf433940465da9af4b
php7.0	Upstream: http://git.php.net/?p=php-src.git;a=commit;h=16b3003ffc6393e250f069aa28a78dc5a2c064b2 Upstream: http://git.php.net/?p=php-src.git;a=commit;h=9f560baef5eacbe3fdb6a23a2d4e1996a30a2d2c

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

CVE-2016-10161

Cvss 3 Severity Score

Description

Status

Patch details

Severity score breakdown

References

Related Ubuntu Security Notices (USN)

Other references

Access our resources on patching vulnerabilities