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Use After Free Affecting thunderbird package, versions <1:45.8.0+build1-0ubuntu0.14.04.1

Severity

 Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
2.84% (87th percentile)

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  • Snyk IDSNYK-UBUNTU1404-THUNDERBIRD-418994
  • published11 Jun 2018
  • disclosed11 Jun 2018
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Introduced: 11 Jun 2018

CVE-2017-5402  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Ubuntu:14.04 thunderbird to version 1:45.8.0+build1-0ubuntu0.14.04.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Ubuntu. See How to fix? for Ubuntu:14.04 relevant fixed versions and status.

A use-after-free can occur when events are fired for a "FontFace" object after the object has been already been destroyed while working with fonts. This results in a potentially exploitable crash. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

References