CVE-2023-4579 Affecting firefox-esr package, versions <117.0-r0


Severity

Recommended
0.0
low
0
10

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Threat Intelligence

EPSS
0.38% (30th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-FIREFOXESR-17763945
  • published1 Jul 2026
  • disclosed11 Sept 2023

Introduced: 11 Sep 2023

CVE-2023-4579  (opens in a new tab)

How to fix?

Upgrade Chainguard firefox-esr to version 117.0-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.

Search queries in the default search engine could appear to have been the currently navigated URL if the search query itself was a well formed URL. This could have led to a site spoofing another if it had been maliciously set as the default search engine. This vulnerability affects Firefox < 117.

CVSS Base Scores

version 3.1