CVE-2009-3793: Unspecified vulnerability in Adobe Flash Player before 9.0.277.0 and 10.x before 10.1.53.64, and Adobe AIR bef

Q: How do I fix CVE-2009-3793?

flash player: upgrade to newer than 10.0.45.2; flash player: downgrade or apply the listed mitigation; air: upgrade to newer than 1.5.3.9130. Exact commands for each OS are on this page.

Q: Is CVE-2009-3793 being exploited?

CVE-2009-3793 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2009-3793 affect?

CVE-2009-3793 affects flash player, flash player, air. Severity is high (CVSS 9.3). Unspecified vulnerability in Adobe Flash Player before 9.0.277.0 and 10.x before 10.1.53.64, and Adobe AIR before 2.0.2.12610, allows attackers to cause a denial of service (memory consumption) or possibly execute arbitrary code via unknown

Q: How urgent is CVE-2009-3793?

Priority 56/100. Critical severity; EPSS top 5%: very likely to be exploited

This week

HIGH 9.3UPGRADEDOWNGRADEUPGRADE

CVE-2009-3793 is a high-severity flaw (CVSS 9.3) affecting flash player, flash player, air. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in Adobe Flash Player before 9.0.277.0 and 10.x before 10.1.53.64, and Adobe AIR before 2.0.2.12610, allows attackers to cause a denial of service (memory consumption) or possibly execute arbitrary code via unknown vectors.

Why this priority

Critical severity
EPSS top 5%: very likely to be exploited

A fixed release or distro patch exists.

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	9.4% (top 5%)
CISA exploited list	No
Weakness	CWE-399
Published	2010-06-15
Last modified	2026-06-16

Publisher (CNA): Adobe Systems Incorporated · Vendor: adobe · macromedia

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2010-06-15 18:00 UTCPublished CVE record published
2026-06-16 23:12 UTCUpdated Record last modified

adobe flash player UPGRADE

Affected: 9.0.16 · 9.0.20 · 9.0.20.0 · 9.0.28 · 9.0.28.0 · 9.0.31 · 9.0.31.0 · 9.0.45.0

Fixed in: newer than 10.0.45.2

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 10.0.45.2 (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.

macromedia flash player DOWNGRADE

Affected: 5.0 · 5.0.30.0 · 5.0.41.0 · 5.0.42.0 · 5.0.58.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0

1. Check installed version

apt-cache policy flash-player || rpm -q flash-player || flash-player --version

2. No fixed release: DOWNGRADE to a release before 5.0 (Debian / Ubuntu)

apt-cache madison flash-player sudo apt install flash-player=<VERSION_BEFORE_5.0> sudo apt-mark hold flash-player

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list flash-player sudo dnf downgrade flash-player-<VERSION_BEFORE_5.0> sudo dnf versionlock add flash-player

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

adobe air UPGRADE

Affected: <= 1.5.3.9130 · 1.0 · 1.1 · 1.5 · 1.5.1 · 1.5.2 · 1.5.3

Fixed in: newer than 1.5.3.9130

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 1.5.3.9130 (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.

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-2009-3793?

flash player: upgrade to newer than 10.0.45.2; flash player: downgrade or apply the listed mitigation; air: upgrade to newer than 1.5.3.9130. Exact commands for each OS are on this page.

Is CVE-2009-3793 being exploited?

CVE-2009-3793 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-2009-3793 affect?

CVE-2009-3793 affects flash player, flash player, air. Severity is high (CVSS 9.3). Unspecified vulnerability in Adobe Flash Player before 9.0.277.0 and 10.x before 10.1.53.64, and Adobe AIR before 2.0.2.12610, allows attackers to cause a denial of service (memory consumption) or possibly execute arbitrary code via unknown

How urgent is CVE-2009-3793?

Priority 56/100. Critical severity; EPSS top 5%: very likely to be exploited

Software pages

Adobe Flash vulnerabilities

Related CVEs

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CVE-2016-4117 CRITICAL 9.8 EXPLOITED UPGRADE MITIGATE Adobe Flash Player Arbitrary Code Execution Vulnerability
CVE-2011-0627 HIGH 8.8 UPGRADE Adobe Flash Player before 10.3.181.14 on Windows, Mac OS X, Linux, and Solaris and before 10.3.185.21 on Andro
CVE-2020-9746 HIGH 7.0 UPGRADE UPGRADE Adobe Flash Player version 32.0.0.433 (and earlier) are affected by an exploitable NULL pointer dereference vu

References

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