Operation on a Resource after Expiration or Release Affecting thunderbird-debuginfo package, versions <0:78.10.0-1.amzn2.0.1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.24% (63rd percentile)

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  • Snyk IDSNYK-AMZN2-THUNDERBIRDDEBUGINFO-1698673
  • published27 Sept 2021
  • disclosed24 Jun 2021

Introduced: 24 Jun 2021

CVE-2021-23995  (opens in a new tab)
CWE-672  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 thunderbird-debuginfo to version 0:78.10.0-1.amzn2.0.1 or higher.
This issue was patched in ALAS2-2021-1644.

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.

When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

CVSS Scores

version 3.1