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CVE-2016-1001: Heap-based buffer overflow in Adobe Flash Player before 18.0.0.333 and 19.x through 21.x before 21.0.0.182 on

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HIGH 8.8UPGRADEUPGRADEUPGRADE

CVE-2016-1001 is a high-severity flaw (CVSS 8.8) affecting flash player, air, air sdk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Heap-based buffer overflow in Adobe Flash Player before 18.0.0.333 and 19.x through 21.x before 21.0.0.182 on Windows and OS X and before 11.2.202.577 on Linux, Adobe AIR before 21.0.0.176, Adobe AIR SDK before 21.0.0.176, and Adobe AIR SDK & Compiler before 21.0.0.176 allows attackers to execute arbitrary code via unspecified vectors.

Why this priority

  • High severity
  • EPSS top 2%: very likely to be exploited
  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score8.8 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance25.1% (top 2%)
CISA exploited listNo
WeaknessCWE-787
Published2016-03-12
Last modified2026-06-17
Publisher (CNA): Adobe Systems Incorporated · Vendor: adobe · samsung

Share: LinkedIn · X · Reddit

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

adobe flash player UPGRADE
Affected: <= 20.0.0.306
Fixed in: newer than 20.0.0.306
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy flash-player || rpm -q flash-player || flash-player --version
2. UPGRADE to newer than 20.0.0.306 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade flash-player
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade flash-player
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
adobe air UPGRADE
Affected: <= 20.0.0.233
Fixed in: newer than 20.0.0.233
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy air || rpm -q air || air --version
2. UPGRADE to newer than 20.0.0.233 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade air
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade air
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
adobe air sdk UPGRADE
Affected: <= 20.0.0.260
Fixed in: newer than 20.0.0.260
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy air-sdk || rpm -q air-sdk || air-sdk --version
2. UPGRADE to newer than 20.0.0.260 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade air-sdk
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade air-sdk
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
samsung x14j firmware MITIGATE
Affected: t-ms14jakucb-1102.5
Fixed in: no fixed release known
Safe to downgrade to: a release before t-ms14jakucb-1102.5
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
adobe flash player UPGRADE
Affected: <= 11.2.202.569
Fixed in: newer than 11.2.202.569
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy flash-player || rpm -q flash-player || flash-player --version
2. UPGRADE to newer than 11.2.202.569 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade flash-player
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade flash-player
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
adobe flash player desktop runtime UPGRADE
Affected: <= 20.2.2.306
Fixed in: newer than 20.2.2.306
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy flash-player-desktop-runtime || rpm -q flash-player-desktop-runtime || flash-player-desktop-runtime --version
2. UPGRADE to newer than 20.2.2.306 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade flash-player-desktop-runtime
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade flash-player-desktop-runtime
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2016-1001?

flash player: upgrade to newer than 20.0.0.306; air: upgrade to newer than 20.0.0.233; air sdk: upgrade to newer than 20.0.0.260. Exact commands for each OS are on this page.

Is CVE-2016-1001 being exploited?

CVE-2016-1001 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2016-1001 affect?

CVE-2016-1001 affects flash player, air, air sdk. Severity is high (CVSS 8.8). Heap-based buffer overflow in Adobe Flash Player before 18.0.0.333 and 19.x through 21.x before 21.0.0.182 on Windows and OS X and before 11.2.202.577 on Linux, Adobe AIR before 21.0.0.176, Adobe AIR SDK before 21.0.0.176, and Adobe AIR SDK

How urgent is CVE-2016-1001?

Priority 60/100. High severity; EPSS top 2%: very likely to be exploited; Public exploit reference

Software pages

Windows vulnerabilities · Adobe Flash vulnerabilities · Samsung vulnerabilities

Related CVEs

References

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