CVE-2023-4054 Affecting firefox-esr package, versions <116.0-r0


Severity

Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
0.21% (11th 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-CHAINGUARDLATEST-FIREFOXESR-17764636
  • published1 Jul 2026
  • disclosed1 Aug 2023

Introduced: 1 Aug 2023

CVE-2023-4054  (opens in a new tab)

How to fix?

Upgrade Chainguard firefox-esr to version 116.0-r0 or higher.

NVD Description

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

When opening appref-ms files, Firefox did not warn the user that these files may contain malicious code. This bug only affects Firefox on Windows. Other operating systems are unaffected. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, Firefox ESR < 115.1, Thunderbird < 102.14, and Thunderbird < 115.1.

CVSS Base Scores

version 3.1