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CVE-2018-5159

Published: 10 May 2018

An integer overflow can occur in the Skia library due to 32-bit integer use in an array without integer overflow checks, resulting in possible out-of-bounds writes. This could lead to a potentially exploitable crash triggerable by web content. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
upstream
Released (60.0)
xenial
Released (60.0+build2-0ubuntu0.16.04.1)
artful
Released (60.0+build2-0ubuntu0.17.10.1)
bionic
Released (60.0+build2-0ubuntu1)
trusty
Released (60.0+build2-0ubuntu0.14.04.1)
thunderbird
Launchpad, Ubuntu, Debian
upstream
Released (52.8.0)
xenial
Released (1:52.8.0+build1-0ubuntu0.16.04.1)
artful
Released (1:52.8.0+build1-0ubuntu0.17.10.1)
bionic
Released (1:52.8.0+build1-0ubuntu0.18.04.1)
trusty
Released (1:52.8.0+build1-0ubuntu0.14.04.1)

Severity score breakdown

Parameter Value
Base score 9.8
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