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Out-of-bounds Write Affecting thunderbird package, versions <1:60.3.0-1~deb8u1

Severity

 Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-DEBIAN8-THUNDERBIRD-420620
  • published25 Sept 2018
  • disclosed18 Oct 2018
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Introduced: 25 Sep 2018

CVE-2018-12379  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Debian:8 thunderbird to version 1:60.3.0-1~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 the Mozilla Updater opens a MAR format file which contains a very long item filename, an out-of-bounds write can be triggered, leading to a potentially exploitable crash. This requires running the Mozilla Updater manually on the local system with the malicious MAR file in order to occur. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.