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CVE-2025-10536

firefox: thunderbird: Information disclosure in the Networking: Cache component

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Severity

Low

Red Hat Product Security

3.4

CVSS 3.1

Review impact separately from score.

Published · September 16, 2025

Updated · October 16, 2026

Description

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure in the Networking: Cache component.

Statement

Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

CVSS / CWE

CVSS 3.1 · 3.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N

CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor