Use After Free Affecting thunderbird-debuginfo package, versions <0:91.6.0-1.amzn2.0.1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.26% (67th percentile)

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  • Snyk IDSNYK-AMZN2-THUNDERBIRDDEBUGINFO-2950729
  • published15 Jul 2022
  • disclosed3 Nov 2021

Introduced: 3 Nov 2021

CVE-2021-38496  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 thunderbird-debuginfo to version 0:91.6.0-1.amzn2.0.1 or higher.
This issue was patched in ALAS2-2022-1818.

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.

During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.

CVSS Scores

version 3.1