CVE-2018-18492

Publication date 11 December 2018

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

A use-after-free vulnerability can occur after deleting a selection element due to a weak reference to the select element in the options collection. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.

Status

Package Ubuntu Release Status
firefox 18.10 cosmic
Fixed 64.0+build3-0ubuntu0.18.10.1
18.04 LTS bionic
Fixed 64.0+build3-0ubuntu0.18.04.1
16.04 LTS xenial
Fixed 64.0+build3-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 64.0+build3-0ubuntu0.14.04.1
thunderbird 18.10 cosmic
Fixed 1:60.4.0+build2-0ubuntu0.18.10.1
18.04 LTS bionic
Fixed 1:60.4.0+build2-0ubuntu0.18.04.1
16.04 LTS xenial
Fixed 1:60.4.0+build2-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 1:60.4.0+build2-0ubuntu0.14.04.1

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