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CVE-2018-12363

Publication date 27 June 2018

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

A use-after-free vulnerability can occur when script uses mutation events to move DOM nodes between documents, resulting in the old document that held the node being freed but the node still having a pointer referencing it. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

Status

Package Ubuntu Release Status
firefox 18.04 LTS bionic
Fixed 61.0+build3-0ubuntu0.18.04.1
17.10 artful
Fixed 61.0+build3-0ubuntu0.17.10.1
16.04 LTS xenial
Fixed 61.0+build3-0ubuntu0.16.04.2
14.04 LTS trusty
Fixed 61.0+build3-0ubuntu0.14.04.2
thunderbird 18.04 LTS bionic
Fixed 1:52.9.1+build3-0ubuntu0.18.04.1
17.10 artful
Fixed 1:52.9.1+build3-0ubuntu0.17.10.1
16.04 LTS xenial
Fixed 1:52.9.1+build3-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 1:52.9.1+build3-0ubuntu0.14.04.1

Severity score breakdown

Parameter Value
Base score 8.8 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H