NULL Pointer Dereference Affecting firefox package, versions <0:78.10.0-1.el8_3


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.18% (56th percentile)

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  • Snyk IDSNYK-CENTOS8-FIREFOX-2092057
  • published26 Jul 2021
  • disclosed19 Apr 2021

Introduced: 19 Apr 2021

CVE-2021-29945  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Centos:8 firefox to version 0:78.10.0-1.el8_3 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 Centos. See How to fix? for Centos:8 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