Use After Free Affecting thunderbird-debuginfo package, versions <0:60.7.0-1.amzn2.0.1


Severity

Recommended
0.0
critical
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.69% (81st percentile)

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  • Snyk IDSNYK-AMZN2-THUNDERBIRDDEBUGINFO-1671011
  • published27 Sept 2021
  • disclosed23 Jul 2019

Introduced: 23 Jul 2019

CVE-2019-9820  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 thunderbird-debuginfo to version 0:60.7.0-1.amzn2.0.1 or higher.
This issue was patched in ALAS2-2019-1229.

NVD Description

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

A use-after-free vulnerability can occur in the chrome event handler when it is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

CVSS Scores

version 3.1