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Use After Free Affecting thunderbird package, versions <1:52.5.0+build1-0ubuntu0.16.04.1

Severity

 Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
7.2% (95th percentile)

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  • Snyk IDSNYK-UBUNTU1604-THUNDERBIRD-419016
  • published11 Jun 2018
  • disclosed11 Jun 2018
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Introduced: 11 Jun 2018

CVE-2017-7828  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 thunderbird to version 1:52.5.0+build1-0ubuntu0.16.04.1 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:16.04 relevant fixed versions and status.

A use-after-free vulnerability can occur when flushing and resizing layout because the "PressShell" object has been freed while still in use. This results in a potentially exploitable crash during these operations. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.

References