Adobe Flash Player Use-After-Free Remote Code Execution
Actively exploited in the wild. Patch or mitigate immediately — don't wait for a maintenance window.
An unauthenticated attacker, remotely over the network, with no user interaction, can fully compromise the system — steal data, tamper with it and take it offline.
Use-after-free vulnerability in Adobe Flash Player before 13.0.0.269 and 14.x through 16.x before 16.0.0.305 on Windows and OS X and before 11.2.202.442 on Linux allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in February 2015, a different vulnerability than CVE-2015-0315, CVE-2015-0320, and CVE-2015-0322.
Inferred from the weakness type (CWE) and how the flaw is reached — the techniques an attacker would chain to exploit this. Real-world corroboration appears here as threat intel is folded in.
Corroborated threat activity referencing this CVE — with source and confidence, not inference.
These techniques were analysed against this CVE's real-world exploitation — the matching entries in the ATT&CK chain above are marked “observed”.
Generated by Wavense from the CVE record — an immediate mitigation and the permanent fix.
To reduce immediate risk, disable Adobe Flash Player in web browsers or configure it to 'click-to-play' mode, requiring user interaction before content loads. Employ host-based intrusion prevention systems (HIPS) to monitor and block suspicious process activity originating from browser plugins. Additionally, consider using browser sandboxing features or virtualized environments for accessing untrusted web content.
The permanent resolution requires upgrading Adobe Flash Player to a patched version immediately. For Windows and OS X, update to version 13.0.0.269 or higher, or 16.0.0.305 or higher. Linux users should upgrade to Flash Player version 11.2.202.442 or later. Ensure all web browsers and operating systems are kept up to date to prevent reintroduction of similar vulnerabilities.
This critical use-after-free vulnerability allows remote attackers to execute arbitrary code on affected systems. Successful exploitation grants the attacker full control over the compromised system, potentially leading to data theft, system disruption, or further network penetration. Given its active exploitation in the wild, there's a high risk of targeted attacks and widespread compromise.
Other CVEs affecting flash player
Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier allows remote attackers to execute arbitrary code via unknown vectors, as exploited in the wild in June 2016.
Adobe Flash Player 21.0.0.226 and earlier allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in May 2016.
Unspecified vulnerability in Oracle Java SE 6u113, 7u99, and 8u77; Java SE Embedded 8u77; and JRockit R28.3.9 allows remote attackers to affect confidentiality, integrity, and availability via vectors related to JMX.
Adobe Flash Player 21.0.0.197 and earlier allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via unspecified vectors, as exploited in the wild in April 2016.
Unspecified vulnerability in Oracle Java SE 6u95, 7u80, and 8u45, and Java SE Embedded 7u75 and 8u33 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to Libraries, a different vulnerability than CVE-2015-4732.
Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.302 on Windows and OS X, 14.x through 18.0.0.203 on Windows and OS X, 11.x through 11.2.202.481 on Linux, and 12.x through 18.0.0.204 on Linux Chrome installations allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted Flash content that overrides a valueOf function, as exploited in the wild in July 2015.
Use-after-free vulnerability in the DisplayObject class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.302 on Windows and OS X, 14.x through 18.0.0.203 on Windows and OS X, 11.x through 11.2.202.481 on Linux, and 12.x through 18.0.0.204 on Linux Chrome installations allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted Flash content that leverages improper handling of the opaqueBackground property, as exploited in the wild in July 2015.
Use-after-free vulnerability in the ByteArray class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.296 and 14.x through 18.0.0.194 on Windows and OS X and 11.x through 11.2.202.468 on Linux allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted Flash content that overrides a valueOf function, as exploited in the wild in July 2015.