CVE-2020-15651

Publication date 10 August 2020

Last updated 25 August 2025


Ubuntu priority

Cvss 3 Severity Score

4.3 · Medium

Score breakdown

Description

A unicode RTL order character in the downloaded file name can be used to change the file's name during the download UI flow to change the file extension. This vulnerability affects Firefox for iOS < 28.

Read the notes from the security team

Status

Package Ubuntu Release Status
firefox 20.04 LTS focal Not in release
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release

Notes


tyhicks

mozjs contains a copy of the SpiderMonkey JavaScript engine


mdeslaur

iOS specific issue

Severity score breakdown

Parameter Value
Base score 4.3 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N