Which products and versions are affected by CVE-2016-7855?

Affected: Flash Player (Adobe); Enterprise Linux Desktop (Redhat) versions 5.0, 6.0; Enterprise Linux Server (Redhat) versions 5.0, 6.0, among others. The full list is in the CVE brief.

Is CVE-2016-7855 being exploited in the wild?

It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 21, 2016.

Is CVE-2016-7855 in the CISA KEV catalog?

Yes. It was added on Mar 3, 2022 with a federal remediation due date of Mar 24, 2022.

Is there a public exploit for CVE-2016-7855?

Public exploit code is available.

Is there a fix for CVE-2016-7855?

Fixed versions are available, including Flash Player 11.2.202.637, Flash Player 23.0.0.185, Flash Player 11.2.202.643-146.1.

How urgently should CVE-2016-7855 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2016-7855

HighExploitedPublic exploit

flash-plugin: use-after-free issue fixed in APSB16-36

Published Oct 26, 2016 · Updated Feb 4, 2026 · Also known as SUSE-SU-2016:2662-1, UBUNTU-CVE-2016-7855

Key Facts

Patch immediately

CVE-2016-7855 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Flash Player (Adobe), Enterprise Linux Desktop (Redhat), Enterprise Linux Server (Redhat) and 5 more products.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 21, 2016. Public exploit code is available.
EPSS estimates a 25% probability of exploitation in the next 30 days.
Fixed versions are available, including Flash Player 11.2.202.637, Flash Player 23.0.0.185, Flash Player 11.2.202.643-146.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

8.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

25%

Higher than 97.9% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2016-7855 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
CISA KEV	Mar 3, 2022	Mar 24, 2022	Not reported
Industry KEV feed	Oct 21, 2016	Mar 24, 2022	Not reported
CIRCL KEV	Mar 3, 2022	Mar 24, 2022	Not reported
ENISA EUVD	Mar 3, 2022	n/a	Not reported

Required action: The impacted product is end-of-life and should be disconnected if still in use.

Affected Products

27 affected entries in total

Product	Affected versions	Fixed in
Flash PlayerAdobe	See advisory	23.0.0.185
Enterprise Linux DesktopRedhat	5.0, 6.0	n/a
Enterprise Linux ServerRedhat	5.0, 6.0	n/a
Enterprise Linux WorkstationRedhat	5.0, 6.0	n/a
flashplugin-nonfreeubuntu	See advisory	11.2.202.643ubuntu0.14.04.1

3 more affected products in the full CVE brief

Patched Releases

Flash Player

11.2.202.637, 23.0.0.185, 11.2.202.643-146.1, 11.2.202.643-177.1, 11.2.202.643-2.115.1

flash-player-gnome

11.2.202.643-146.1, 11.2.202.643-177.1, 11.2.202.643-2.115.1

flash-player-kde4

11.2.202.643-177.1, 11.2.202.643-2.115.1

flash-plugin

0:11.2.202.643-1.el5_11, 0:11.2.202.643-1.el6_8

flashplugin-nonfree

11.2.202.643ubuntu0.14.04.1, 11.2.202.643ubuntu0.16.04.1

Timeline

Added to Industry KEV feed
Oct 21, 2016
Publicly disclosed
Oct 26, 2016
Added to CISA KEV
Mar 3, 2022
Added to CIRCL KEV
Mar 3, 2022
Added to ENISA EUVD
Mar 3, 2022
Last updated
Feb 4, 2026

Weakness Type

CWE-416 Use After Free

References

advisoryRHSA-2016:2119
advisoryRHSA-2016:2119
advisoryhttps://bugzilla.suse.com/1007098
advisoryGLSA-201610-10
advisoryhttps://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html

15 more references in the full CVE brief

FAQ

Common Questions.

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.
Affected: Flash Player (Adobe); Enterprise Linux Desktop (Redhat) versions 5.0, 6.0; Enterprise Linux Server (Redhat) versions 5.0, 6.0, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 21, 2016.
Yes. It was added on Mar 3, 2022 with a federal remediation due date of Mar 24, 2022.
Public exploit code is available.
Fixed versions are available, including Flash Player 11.2.202.637, Flash Player 23.0.0.185, Flash Player 11.2.202.643-146.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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