Out-of-bounds Read Affecting thunderbird package, versions <0:68.6.0-1.amzn2.0.1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
52.58% (98th percentile)

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  • Snyk IDSNYK-AMZN2-THUNDERBIRD-1679203
  • published27 Sept 2021
  • disclosed25 Mar 2020

Introduced: 25 Mar 2020

CVE-2020-6806  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 thunderbird to version 0:68.6.0-1.amzn2.0.1 or higher.
This issue was patched in ALAS2-2020-1414.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption 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