vulnerability

Oracle Linux: CVE-2023-23602: ELSA-2023-0285: firefox security update (IMPORTANT) (Multiple Advisories)

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
Jan 17, 2023
Added
Jan 24, 2023
Modified
Dec 3, 2025

Description

A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This could lead to connections to restricted origins from inside WebWorkers. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7.
The Mozilla Foundation Security Advisory describes this flaw as:
A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This could lead to connections to restricted origins from inside WebWorkers.

Solutions

oracle-linux-upgrade-firefoxoracle-linux-upgrade-thunderbird
Title
NEW

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