CVE-2016-7855: Adobe Flash Player Use-After-Free Vulnerability

CVE-2016-7855 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2022-03-03

A use-after-free vulnerability in Adobe Flash Player allows remote attackers to execute arbitrary code via unspecified vectors. The vulnerability was exploited in the wild in October 2016 and affects versions on Windows, OS X, and Linux.

Technologies: Adobe AIR, Adobe Flash Player. Vendors: Adobe.

Quick answers

Is CVE-2016-7855 exploited in the wild?
Yes. CVE-2016-7855 is known to be exploited in the wild, first recorded on 3 March 2022. Treat it as urgent.
How severe is CVE-2016-7855?
Critical severity, with a CVSS score of 8.8, published 3 March 2022.
Which products and versions are affected?
Adobe Systems Incorporated Flash Player before 23.0.0.205 on Windows and OS X; before 11.2.202.643 on Linux.
Is there a fix for CVE-2016-7855?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2016-7855 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2016-7855?
Check whether you run Adobe AIR or Adobe Flash Player. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Adobe Systems Incorporated Flash Player before 23.0.0.205 on Windows and OS X; before 11.2.202.643 on Linux

Timeline

  • 2016-10: exploited: Exploited in the wild in October 2016.
  • 2016-10-26: advisory: Adobe released security bulletin APSB16-36.
  • 2022-03-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.

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