Adobe Flash Player up to ActionScript memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability has been found in Adobe Flash Player up to (Multimedia Player Software) and classified as very critical. Affected by this vulnerability is some unknown functionality of the component ActionScript. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in the ActionScript Virtual Machine (AVM) component in Adobe Flash Player before on Windows, Mac OS X, Linux, and Solaris, and before on Android, allows attackers to execute arbitrary code or cause a denial of service via unspecified vectors.

The weakness was published 09/21/2011 by Yang Dingning with NCNIPC (Website). The advisory is shared at This vulnerability is known as CVE-2011-2427 since 06/06/2011. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/20/2021). It is expected to see the exploit prices for this product decreasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 56259 (Flash Player <= Multiple Vulnerabilities (APSB11-26)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119911 (Solaris Adobe Flash Player Multiple Vulnerabilities).

Upgrading to version eliminates this vulnerability.

The vulnerability is also documented in the databases at Vulnerability Center (SBV-33289) and Tenable (56259). Similar entries are available at 58589, 58588, 58587 and 58586.






  • free


  • end of life

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
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Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 56259
Nessus Name: Flash Player <= Multiple Vulnerabilities (APSB11-26)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 70414
OpenVAS Name: FreeBSD Ports: linux-flashplugin
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Flash Player
PaloAlto IPS: 🔍
Fortigate IPS: 🔍


06/06/2011 🔍
09/21/2011 +107 days 🔍
09/21/2011 +0 days 🔍
09/21/2011 +0 days 🔍
09/22/2011 +1 days 🔍
03/23/2015 +1278 days 🔍
11/20/2021 +2434 days 🔍



Advisory: RHSA-2011:1333
Researcher: Yang Dingning
Organization: NCNIPC
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-2427 (🔍)

Vulnerability Center: 33289 - [APSB11-26] Adobe Flash Player before and AVM Stack-Based Buffer Overflow, High
SecurityFocus: 49715 - Adobe Flash Player CVE-2011-2427 AVM Stack Overflow Vulnerability
Secunia: 48308

See also: 🔍


Created: 03/23/2015 04:50 PM
Updated: 11/20/2021 03:33 PM
Changes: 03/23/2015 04:50 PM (67), 04/02/2017 12:03 PM (12), 11/20/2021 03:27 PM (3), 11/20/2021 03:33 PM (1)
Complete: 🔍


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