---
id: "CVE-2026-124932"
page: "https://infrastack.ai/live/CVE-2026-124932"
kind: "vulnerability"
aliases: ["CVE-2026-124932"]
title: "Firefox: use-after-free in Graphics component may allow code execution"
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", "firefox-esr-153.7-or-later"]
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-2026-124932", "first_seen_at": "2026-11-10T14:22:18+00:00"}]
exploit_sources: []
---

# Firefox: use-after-free in Graphics component may allow code execution

Link for people: https://infrastack.ai/live/CVE-2026-124932 (this .md is for agents)

A use-after-free bug in the Graphics component of Firefox lets memory be reused after it is freed. The sources do not state what an attacker can do with it beyond that.

_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

- Run `about:support` in Firefox and compare the version with the fixed releases

## Fix

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

## Timeline

- 2026-11-10T14:22:18+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-124932

## From the sources

Use-after-free in the Graphics 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_