CVE-2018-18498

Publication date 11 December 2018

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

A potential vulnerability leading to an integer overflow can occur during buffer size calculations for images when a raw value is used instead of the checked value. This leads to a possible out-of-bounds write. 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