CVE-2015-8878

Publication date 22 May 2016

Last updated 24 July 2024

Ubuntu priority

Unknown

Why this priority?

Cvss 3 Severity Score

5.9 · Medium

Score breakdown

main/php_open_temporary_file.c in PHP before 5.5.28 and 5.6.x before 5.6.12 does not ensure thread safety, which allows remote attackers to cause a denial of service (race condition and heap memory corruption) by leveraging an application that performs many temporary-file accesses.

Read the notes from the security team

Status

Package Ubuntu Release Status
php5 16.04 LTS xenial Not in release
15.10 wily
Not affected
14.04 LTS trusty
Not affected
12.04 LTS precise
Not affected

Notes

tyhicks

Thread safety is disabled in Ubuntu's php5 builds

Severity score breakdown

Parameter Value
Base score 5.9 · Medium
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H