Free and open · new CVEs checked every 20 minutesStatusRSSOpen dataContact

CVE-2017-2999: Adobe Flash Player versions 24.0.0.221 and earlier have an exploitable memory corruption vulnerability in the

53
This month
HIGH 8.8UPGRADEUPGRADEUPGRADE

CVE-2017-2999 is a high-severity flaw (CVSS 8.8) affecting flash player, flash player, flash player. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Adobe Flash Player versions 24.0.0.221 and earlier have an exploitable memory corruption vulnerability in the Primetime TVSDK functionality related to hosting playback surface. Successful exploitation could lead to arbitrary code execution.

Why this priority

  • High severity
  • EPSS top 9%: very likely to be exploited

A fixed release or distro patch exists.

Risk facts

CVSS score8.8 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance4.1% (top 9%)
CISA exploited listNo
WeaknessCWE-787
Published2017-03-14
Last modified2026-06-17
Publisher (CNA): Adobe Systems Incorporated · Vendor: adobe

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: <= 24.0.0.221
Fixed in: newer than 24.0.0.221
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 24.0.0.221 (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 UPGRADE
Affected: <= 24.0.0.221
Fixed in: newer than 24.0.0.221
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 24.0.0.221 (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 UPGRADE
Affected: <= 24.0.0.221
Fixed in: newer than 24.0.0.221
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 24.0.0.221 (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: <= 24.0.0.221
Fixed in: newer than 24.0.0.221
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 24.0.0.221 (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.
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-2017-2999?

flash player: upgrade to newer than 24.0.0.221; flash player: upgrade to newer than 24.0.0.221; flash player: upgrade to newer than 24.0.0.221. Exact commands for each OS are on this page.

Is CVE-2017-2999 being exploited?

CVE-2017-2999 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-2017-2999 affect?

CVE-2017-2999 affects flash player, flash player, flash player. Severity is high (CVSS 8.8). Adobe Flash Player versions 24.0.0.221 and earlier have an exploitable memory corruption vulnerability in the Primetime TVSDK functionality related to hosting playback surface. Successful exploitation could lead to arbitrary code execution.

How urgent is CVE-2017-2999?

Priority 53/100. High severity; EPSS top 9%: very likely to be exploited

Software pages

Adobe Flash vulnerabilities

Related CVEs

References

← Back to latest CVEs

Get the weekly exploited-CVE digest by emailThe CVEs being attacked this week and how to fix them. No spam, unsubscribe any time.