CVE-2016-4221 is a memory corruption vulnerability in Adobe Flash Player versions before 18.0.0.366, 19.x through 22.x before 22.0.0.209 on Windows and OS X, and before 11.2.202.632 on Linux. This flaw allows attackers to execute arbitrary code or cause a denial of service. Rated with a CVSSv3 score of 8.8 (High), the vulnerability has a network attack vector, low attack complexity, and requires user interaction, potentially leading to high impacts on confidentiality, integrity, and availability. There is no evidence of active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB. While there is some community discussion and media coverage, it is not listed on the CISA KEV catalog or Hot List.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 22.0.0.192CPE matchmatch criteria | cpe:2.3:a:adobe:flash_player_desktop_runtime:*:*:*:*:*:*:*:* | ||
<= 18.0.0.360CPE matchmatch criteria | cpe:2.3:a:adobe:flash_player:*:*:*:*:esr:*:*:* | ||
<= 22.0.0.192CPE matchmatch criteria | cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:* | ||
<= 22.0.0.192CPE matchmatch criteria | cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:* | ||
<= 22.0.0.192CPE matchmatch criteria | cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.