Null Byte Interaction Error (Poison Null Byte) Affecting firefox package, versions *


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.21% (61st percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-RHEL6-FIREFOX-1415073
  • published26 Jul 2021
  • disclosed26 Jan 2021

Introduced: 26 Jan 2021

CVE-2021-23960  (opens in a new tab)
CWE-626  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:6 firefox.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL. See How to fix? for RHEL:6 relevant fixed versions and status.

Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.

CVSS Scores

version 3.1