Origin Validation Error Affecting firefox-esr package, versions <102.4.0esr-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.16% (38th percentile)

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  • Snyk IDSNYK-DEBIAN14-FIREFOXESR-11743010
  • published10 Aug 2025
  • disclosed22 Dec 2022

Introduced: 22 Dec 2022

CVE-2022-42927  (opens in a new tab)
CWE-346  (opens in a new tab)

How to fix?

Upgrade Debian:14 firefox-esr to version 102.4.0esr-1 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 Debian. See How to fix? for Debian:14 relevant fixed versions and status.

A same-origin policy violation could have allowed the theft of cross-origin URL entries, leaking the result of a redirect, via performance.getEntries(). This vulnerability affects Firefox < 106, Firefox ESR < 102.4, and Thunderbird < 102.4.

CVSS Base Scores

version 3.1