Use After Free Affecting thunderbird package, versions <1:52.2.1+build1-0ubuntu0.14.04.1


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
2.58% (85th percentile)

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  • Snyk IDSNYK-UBUNTU1404-THUNDERBIRD-420206
  • published11 Jun 2018
  • disclosed11 Jun 2018

Introduced: 11 Jun 2018

CVE-2017-7756  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Ubuntu:14.04 thunderbird to version 1:52.2.1+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 and use-after-scope vulnerability when logging errors from headers for XML HTTP Requests (XHR). This could result in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.