CVE-2016-7479

Publication date 11 January 2017

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

In all versions of PHP 7, during the unserialization process, resizing the 'properties' hash table of a serialized object may lead to use-after-free. A remote attacker may exploit this bug to gain arbitrary code execution.

Status

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

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H