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CVE-2016-4344

Publication date 22 May 2016

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Integer overflow in the xml_utf8_encode function in ext/xml/xml.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long argument to the utf8_encode function, leading to a heap-based buffer overflow.

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
php7.0 16.04 LTS xenial
Not affected
15.10 wily Not in release
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
php7.0

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H