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Use After Free Affecting thunderbird package, versions <1:52.4.0+build1-0ubuntu2

Severity

 Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
2.62% (86th percentile)

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  • Snyk IDSNYK-UBUNTU1904-THUNDERBIRD-529370
  • published11 Jun 2018
  • disclosed11 Jun 2018
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Introduced: 11 Jun 2018

CVE-2017-7802  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Ubuntu:19.04 thunderbird to version 1:52.4.0+build1-0ubuntu2 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:19.04 relevant fixed versions and status.

A use-after-free vulnerability can occur when manipulating the DOM during the resize event of an image element. If these elements have been freed due to a lack of strong references, a potentially exploitable crash may occur when the freed elements are accessed. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.