1. Cleus
  2. Zero-days
  3. CVE-2014-8439
Exploited in the wildComputers & everyday appsCould reach you

CVE-2014-8439 Adobe Flash Player: memory-safety flaw

In plain words: The program mishandles the memory it uses to keep track of data. A specially made input can scramble that memory. Usually lets an attacker crash the program or run their own code with its permissions.

Confirmed exploited by CISA on · US federal patch deadline Jun 15, 2022

What to do

  1. Install Adobe's security update for Flash Player. If no update exists, follow the vendor's workaround or stop using the product until one ships.
  2. Turn on automatic updates for the operating system and for Office, PDF and archive apps.
  3. Be careful with unexpected attachments — documents, .zip/.rar files and shortcuts are common bait.
  4. Use a normal (non-admin) account day to day and keep built-in protection like Microsoft Defender on.

Who is affected

Could reach you. This one is aimed at devices or apps of the kind people own.

What's at risk: Your files, saved passwords and accounts. Many of these let a program that is already running gain full administrator control.

The details

Official name
Adobe Flash Player Dereferenced Pointer Vulnerability
Product
Adobe Flash Player
CISA description
Adobe Flash Player has a vulnerability in the way it handles a dereferenced memory pointer which could lead to code execution.
Type of flaw
Memory-safety flaw (CWE-119)
Confirmed exploited
May 25, 2022
US federal patch deadline
Jun 15, 2022

Ask Cleus about it

Ask about a vulnerability, an update, a weird message, or the news. Plain-word answers, free, no account.

Answering about CVE-2014-8439 ·

Questions about CVE-2014-8439

Is CVE-2014-8439 being exploited?

Yes. CISA added CVE-2014-8439 to its Known Exploited Vulnerabilities catalog on May 25, 2022, which means there is reliable evidence of real-world attacks.

How do I fix CVE-2014-8439?

Install Adobe's security update for Flash Player. If no update exists, follow the vendor's workaround or stop using the product until one ships. Turn on automatic updates for the operating system and for Office, PDF and archive apps.

Am I affected by CVE-2014-8439?

Only if you use Adobe Flash Player. This one is aimed at devices or apps of the kind people own.

Other exploited Adobe vulnerabilities

Newest in the catalog

Search every known exploited vulnerability →