Use After Free Affecting thunderbird package, versions <1:68.6.0-1~deb8u1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.8% (83rd percentile)

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  • Snyk IDSNYK-DEBIAN8-THUNDERBIRD-560242
  • published10 Mar 2020
  • disclosed25 Mar 2020

Introduced: 10 Mar 2020

CVE-2020-6807  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Debian:8 thunderbird to version 1:68.6.0-1~deb8u1 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 Debian. See How to fix? for Debian:8 relevant fixed versions and status.

When a device was changed while a stream was about to be destroyed, the <code>stream-reinit</code> task may have been executed after the stream was destroyed, causing a use-after-free and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.

CVSS Scores

version 3.1