Incorrect Calculation Affecting firefox package, versions <88.0-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.18% (56th percentile)

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  • Snyk IDSNYK-ALPINE318-FIREFOX-5513968
  • published22 Apr 2021
  • disclosed24 Jun 2021

Introduced: 22 Apr 2021

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

How to fix?

Upgrade Alpine:3.18 firefox to version 88.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Alpine. See How to fix? for Alpine:3.18 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