vulnerability

Ubuntu: (Multiple Advisories) (CVE-2022-40958): Firefox vulnerabilities

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:C/A:N)
Published
Sep 28, 2022
Added
Oct 1, 2022
Modified
Aug 18, 2025

Description

By injecting a cookie with certain special characters, an attacker on a shared subdomain which is not a secure context could set and thus overwrite cookies from a secure context, leading to session fixation and other attacks. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.

Solutions

ubuntu-upgrade-firefoxubuntu-upgrade-thunderbird
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.