---
id: "CVE-2026-124941"
page: "https://infrastack.ai/live/CVE-2026-124941"
kind: "vulnerability"
aliases: ["CVE-2026-124941"]
title: "Firefox: RLBox component flaw leaks information, fixed in version 160"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "other"
products: [{"name": "Firefox", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["firefox", "other"]
not_affected_if: []
published_at: "2026-11-10T14:17:28+00:00"
first_seen_at: "2026-11-10T14:22:19+00:00"
updated_at: "2026-11-10T14:24:02+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-124941", "first_seen_at": "2026-11-10T14:22:19+00:00"}]
exploit_sources: []
---

# Firefox: RLBox component flaw leaks information, fixed in version 160

Link for people: https://infrastack.ai/live/CVE-2026-124941 (this .md is for agents)

Firefox has an information disclosure flaw in its RLBox sandboxing component. The sources do not say what data an attacker could read or how.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Firefox affected range not listed fixed no fixed version listed

## How to check

- Check the Firefox version with Help > About Firefox; the sources do not give a command.

## Fix

- Firefox `160` and Firefox ESR `153.7`

## Timeline

- 2026-11-10T14:22:19+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-124941

## From the sources

Information disclosure in the Security: RLBox component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_