---
id: "CVE-2026-124930"
page: "https://infrastack.ai/live/CVE-2026-124930"
kind: "vulnerability"
aliases: ["CVE-2026-124930"]
title: "Firefox: Address Bar flaw leaks information to attackers"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["browsers", "firefox", "other"]
not_affected_if: ["up-to-date-firefox"]
published_at: "2026-11-10T14:17:27+00:00"
first_seen_at: "2026-11-10T14:22:18+00:00"
updated_at: "2026-11-10T14:24:17+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-124930", "first_seen_at": "2026-11-10T14:22:18+00:00"}]
exploit_sources: []
---

# Firefox: Address Bar flaw leaks information to attackers

Link for people: https://infrastack.ai/live/CVE-2026-124930 (this .md is for agents)

A flaw in the Firefox Address Bar component lets information be disclosed. The sources do not say what information or how an attacker triggers it.

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

## How to check

- Check the installed Firefox version in the browser's About menu or with `firefox --version`
- Compare it against the fixed versions `160` (Firefox) and `153.7` (Firefox ESR)

## Fix

- Firefox: `160`
- Firefox ESR: `153.7`

## Timeline

- 2026-11-10T14:22:18+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-124930

## From the sources

Information disclosure in the Address Bar 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_