CVE-2019-11705

Publication date 14 June 2019

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

A flaw in Thunderbird's implementation of iCal causes a stack buffer overflow in icalrecur_add_bydayrules when processing certain email messages, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7.1.

Status

Package Ubuntu Release Status
thunderbird 19.04 disco
Fixed 1:60.7.1+build1-0ubuntu0.19.04.1
18.10 cosmic
Fixed 1:60.7.1+build1-0ubuntu0.18.10.1
18.04 LTS bionic
Fixed 1:60.7.1+build1-0ubuntu0.18.04.1
16.04 LTS xenial
Fixed 1:60.7.1+build1-0ubuntu0.16.04.1
14.04 LTS trusty Not in release

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H