CVE-2018-19396

Publication date 20 November 2018

Last updated 25 August 2025


Ubuntu priority

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

ext/standard/var_unserializer.c in PHP 5.x through 7.1.24 allows attackers to cause a denial of service (application crash) via an unserialize call for the com, dotnet, or variant class.

Read the notes from the security team

Status

Package Ubuntu Release Status
php5 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty
Not affected
php7.0 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release
php7.2 18.10 cosmic
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release

Notes


mdeslaur

this is a vulnerability in a windows-specific extension

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

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


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