CVE-2015-8616

Publication date 19 January 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Use-after-free vulnerability in the Collator::sortWithSortKeys function in ext/intl/collator/collator_sort.c in PHP 7.x before 7.0.1 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact by leveraging the relationships between a key buffer and a destroyed array.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
php5	15.10 wily	Not affected
	15.04 vivid	Not affected
	14.04 LTS trusty	Not affected
	12.04 LTS precise	Not affected

Notes

mdeslaur

only php 7.x

Severity score breakdown

CVSS version: CVSS v3.0

Base score 8.6 · High

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	Low
Integrity impact	Low
Availability impact	High

Scores

Parameter	Value
Base score	8.6 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H