---
id: "CVE-2026-124925"
page: "https://infrastack.ai/live/CVE-2026-124925"
kind: "vulnerability"
aliases: ["CVE-2026-124925"]
title: "Firefox: Layout component flaw can leak information to attackers"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "other"
products: [{"name": "Firefox", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["browser", "firefox", "other"]
not_affected_if: ["firefox-160-or-later"]
published_at: "2026-11-10T14:17:26+00:00"
first_seen_at: "2026-11-10T14:22:18+00:00"
updated_at: "2026-11-10T14:24:23+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-124925", "first_seen_at": "2026-11-10T14:22:18+00:00"}]
exploit_sources: []
---

# Firefox: Layout component flaw can leak information to attackers

Link for people: https://infrastack.ai/live/CVE-2026-124925 (this .md is for agents)

A flaw in the Layout component of Firefox allows information disclosure. The sources say it was fixed in Firefox 160 but give no further detail on what data leaks.

_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 installed Firefox version in the browser's About page or with the vendor's version output; unknown whether a command is stated in the sources
- Compare the installed version against `160`

## Fix

- Firefox: move to `160` or later (stated by the description)

## Timeline

- 2026-11-10T14:22:18+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-124925

## From the sources

Information disclosure in the Layout component. This vulnerability was fixed in Firefox 160.

---

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