Incorrect Calculation Affecting thunderbird-debuginfo package, versions <0:78.10.0-1.amzn2.0.1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.17% (55th percentile)

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  • Snyk IDSNYK-AMZN2-THUNDERBIRDDEBUGINFO-1698768
  • published27 Sept 2021
  • disclosed24 Jun 2021

Introduced: 24 Jun 2021

CVE-2021-29945  (opens in a new tab)
CWE-682  (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.

The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. Note: This issue only affected x86-32 platforms. Other platforms are unaffected.. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

CVSS Scores

version 3.1