CVE-2017-5396

Critical

Description

A use-after-free vulnerability in the Media Decoder when working with media files when some events are fired after the media elements are freed from memory. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.

SeverityCritical
CVSS9.8
Exploit probability—
ProductMozilla Thunderbird
PublishedJun 11, 2018
First seenJun 11, 2018

How to fix

Update
  • mozilla thunderbird45.7.0 or later
  • mozilla firefox51.0, 45.7.0 or later

Affected products

ProductAffected versionsFixed in
mozilla thunderbirdv < 45.7.045.7.0
debian debian_linux8.0—
redhat enterprise_linux5.0, 6.0, 7.0—
redhat enterprise_linux_desktop5.0, 6.0, 7.0—
redhat enterprise_linux_server5.0, 6.0, 7.0—
redhat enterprise_linux_server_aus7.3, 7.4—
redhat enterprise_linux_server_eus7.3, 7.4, 7.5—
redhat enterprise_linux_workstation5.0, 6.0, 7.0—
mozilla firefoxv < 51.0, v < 45.7.051.0, 45.7.0

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