---
id: "CVE-2012-5054"
kind: "vulnerability"
aliases: ["CVE-2012-5054"]
title: "Integer overflow in the copyRawDataTo method in the Matrix3D class in Adobe Flash Player before 11.4.402.265 allows\u2026"
severity: "critical"
cvss: 9.3
epss: 0.21194
exploited: true
status: "open"
category: "runtime"
products: [{"name": "adobe flash player", "fixed": ["11.4.402.265"], "affected": "< 11.4.402.265", "ecosystem": "vendor"}, {"name": "Adobe Flash Player", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["adobe-flash-player", "browsers", "exploited", "macos", "runtime", "windows"]
not_affected_if: ["no-flash-installed"]
published_at: "2012-09-24T17:55:07+00:00"
first_seen_at: "2026-10-23T19:11:52+00:00"
updated_at: "2026-10-24T00:09:51+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2012-5054", "first_seen_at": "2026-10-23T19:11:52+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2012-5054", "first_seen_at": "2026-10-23T19:13:45+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2012-5054", "first_seen_at": "2026-10-23T22:29:04+00:00"}]
---

# Integer overflow in the copyRawDataTo method in the Matrix3D class in Adobe Flash Player before 11.4.402.265 allows…

Adobe Flash Player has an integer overflow that lets a remote attacker run code by sending malformed arguments. CISA lists it as actively exploited in the wild.

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

## Affected

- vendor:adobe flash player affected < 11.4.402.265 fixed 11.4.402.265
- vendor:Adobe Flash Player affected ? fixed ?

## How to check

Check whether Adobe Flash Player is installed on any machine or browser in use (for example, a Flash plugin in browser settings or the Flash Player install directory).

## Fix

Remove Adobe Flash Player, since the product is end-of-life and CISA says to disconnect it where still in use.

## Timeline

- 2026-10-23T19:11:52+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2012-5054
- 2026-10-23T19:13:45+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2012-5054
- 2026-10-23T22:29:04+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2012-5054

## From the sources

Adobe Flash Player contains an integer overflow vulnerability that allows remote attackers to execute code via malformed arguments.

CISA required action: The impacted product is end-of-life and should be disconnected if still in use.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_