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Out-of-Bounds Affecting thunderbird package, versions <0:60.6.1-1.amzn2.0.1

Severity

 Recommended
critical

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.6% (80th percentile)

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  • Snyk IDSNYK-AMZN2-THUNDERBIRD-1669926
  • published27 Sept 2021
  • disclosed26 Apr 2019
Report a new vulnerability Found a mistake?

Introduced: 26 Apr 2019

CVE-2019-9793  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 thunderbird to version 0:60.6.1-1.amzn2.0.1 or higher.
This issue was patched in ALAS2-2019-1195.

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.

A mechanism was discovered that removes some bounds checking for string, array, or typed array accesses if Spectre mitigations have been disabled. This vulnerability could allow an attacker to create an arbitrary value in compiled JavaScript, for which the range analysis will infer a fully controlled, incorrect range in circumstances where users have explicitly disabled Spectre mitigations. Note: Spectre mitigations are currently enabled for all users by default settings.. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.