Use After Free Affecting thunderbird package, versions *


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.79% (83rd percentile)

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  • Snyk IDSNYK-DEBIAN8-THUNDERBIRD-575314
  • published1 Jul 2020
  • disclosed9 Jul 2020

Introduced: 1 Jul 2020

CVE-2020-12420  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for Debian:8 thunderbird.

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 trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

CVSS Scores

version 3.1