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CVE-2017-5428

Published: 20 March 2017

An integer overflow in "createImageBitmap()" was reported through the Pwn2Own contest. The fix for this vulnerability disables the experimental extensions to the "createImageBitmap" API. This function runs in the content sandbox, requiring a second vulnerability to compromise a user's computer. This vulnerability affects Firefox ESR < 52.0.1 and Firefox < 52.0.1.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
upstream
Released (52.0.1)
precise
Released (52.0.1+build2-0ubuntu0.12.04.1)
xenial
Released (52.0.1+build2-0ubuntu0.16.04.1)
yakkety
Released (52.0.1+build2-0ubuntu0.16.10.1)
zesty
Released (52.0.1+build2-0ubuntu1)
trusty
Released (52.0.1+build2-0ubuntu0.14.04.1)

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