CVE-2018-5096

Publication date 29 January 2018

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Description

A use-after-free vulnerability can occur while editing events in form elements on a page, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 52.6 and Thunderbird < 52.6.

Status

Package Ubuntu Release Status
thunderbird 17.10 artful
Fixed 1:52.6.0+build1-0ubuntu0.17.10.1
16.04 LTS xenial
Fixed 1:52.6.0+build1-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 1:52.6.0+build1-0ubuntu0.14.04.1

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

References

Related Ubuntu Security Notices (USN)

    • USN-3529-1
    • Thunderbird vulnerabilities
    • 29 January 2018

Other references