Adobe Flash Player Use-After-Free Vulnerability

HOCH 8.8EXPLOITED (CISA KEV)CVE-2016-7855 · Published 01/11/2016 · updated 17/06/2026

Adobe Flash Player Use-After-Free Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 03/03/2022. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
flash player adobe	`≤ 11.2.202.637≤ 23.0.0.185`	No fix yet

Description

Use-after-free vulnerability in Adobe Flash Player before 23.0.0.205 on Windows and OS X and before 11.2.202.643 on Linux allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in October 2016.

References

rhn.redhat.com/errata/RHSA-2016-2119.html · Third Party Advisory
securityfocus.com/bid/93861 · Third Party Advisory
securitytracker.com/id/1037111 · Third Party Advisory
docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128 · Patch
helpx.adobe.com/security/products/flash-player/apsb16-36.html · Patch
security.gentoo.org/glsa/201610-10 · Third Party Advisory
security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html · Third Party Advisory
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2016-7855

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free