⚠ Actively exploited
Added to CISA KEV on 2022-03-03. Federal agencies required to patch by 2022-03-24. Required action: The impacted product is end-of-life and should be disconnected if still in use..

CVE-2016-7855 — Use After Free in Adobe Flash Player

CWE-416 — Use After Free14 documents12 sources
Severity
8.8HIGHNVD
EPSS
49.8%
top 2.18%
CISA KEV
KEV
Added 2022-03-03
Due 2022-03-24
Exploit
Exploited in wild
Active exploitation observed
Affected products
4
Adobe Flash PlayerRedhat Enterprise Linux DesktopRedhat Enterprise Linux Server+1 more
Timeline
PublishedNov 1
KEV addedMar 3
KEV dueMar 24
Latest updateFeb 12
CISA Required Action: The impacted product is end-of-life and should be disconnected if still in use.

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages4 packages

▶NVDadobe/flash_player23.0.0.185+1

Patches

Patch: docs.microsoft.com ↗Patch: helpx.adobe.com ↗Patch: docs.microsoft.com ↗

🔴Vulnerability Details

4
GHSA
GHSA-fq8g-m89m-mrw9: Use-after-free vulnerability in Adobe Flash Player before 23↗2022-05-14
▶
OSV
CVE-2016-7855: Use-after-free vulnerability in Adobe Flash Player before 23↗2016-11-01
▶
CVEList
CVE-2016-7855: Use-after-free vulnerability in Adobe Flash Player before 23↗2016-11-01
▶
VulnCheck
Adobe Flash Player Use-After-Free Vulnerability↗2016
▶

📋Vendor Advisories

2
CISA
Adobe Flash Player Use-After-Free Vulnerability↗2022-03-03
▶
Red Hat
flash-plugin: use-after-free issue fixed in APSB16-36↗2016-10-26
▶

🕵️Threat Intelligence

5
Unit42
Let It Ride: The Sofacy Group’s DealersChoice Attacks Continue↗2016-12-15
▶
Unit42
Let It Ride: The Sofacy Group’s DealersChoice Attacks Continue↗2016-12-15
▶
Qualys
Emergency Flash Player 0-day update released by Adobe↗2016-10-26
▶
Qualys
Emergency Flash Player 0-day update released by Adobe | Qualys↗2016-10-26
▶
Zscaler
Zscaler discovers Flash Player Vulnerabilities | 10-11-2016↗
▶

📄Research Papers

1
arXiv
Investigation of Advanced Persistent Threats Network-based Tactics, Techniques and Procedures↗2025-02-12
▶

💬Community

1
Bugzilla
CVE-2016-7855 flash-plugin: use-after-free issue fixed in APSB16-36↗2016-10-26
▶
CVE-2016-7855 — Use After Free in Adobe Flash Player | cvebase