CVE-2009-0927 Adobe Reader and Acrobat: 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 Apr 15, 2022
What to do
- Install Adobe's security update for Reader and Acrobat. 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.
- Be careful with unexpected attachments — documents, .zip/.rar files and shortcuts are common bait.
- 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 Reader and Adobe Acrobat Stack-Based Buffer Overflow Vulnerability
- Product
- Adobe Reader and Acrobat
- CISA description
- Stack-based buffer overflow in Adobe Reader and Adobe Acrobat allows remote attackers to execute arbitrary code.
- Type of flaw
- Memory-safety flaw (CWE-20)
- Confirmed exploited
- Mar 25, 2022
- US federal patch deadline
- Apr 15, 2022
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Answering about CVE-2009-0927 ·
Questions about CVE-2009-0927
Is CVE-2009-0927 being exploited?
Yes. CISA added CVE-2009-0927 to its Known Exploited Vulnerabilities catalog on Mar 25, 2022, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2009-0927?
Install Adobe's security update for Reader and Acrobat. 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-2009-0927?
Only if you use Adobe Reader and Acrobat. This one is aimed at devices or apps of the kind people own.