CVE-2006-6827: Flash8b.ocx in Macromedia Flash 8 allows remote attackers to cause a denial of service (Internet Explorer 7 cr

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MEDIUM 5.0DOWNGRADE

CVE-2006-6827 is a medium-severity flaw (CVSS 5.0) affecting flash player. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Flash8b.ocx in Macromedia Flash 8 allows remote attackers to cause a denial of service (Internet Explorer 7 crash) via a long string in the Flash8b.AllowScriptAccess method.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	3.6% (top 11%)
CISA exploited list	No
Published	2006-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: macromedia

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

Am I affected?

Timeline

2006-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:33 UTCUpdated Record last modified

macromedia flash player DOWNGRADE

Affected: 8.0 · 8.0.22.0 · 8.0.24.0 · 8.0.33.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0

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 8.0 (Debian / Ubuntu)

apt-cache madison flash-player sudo apt install flash-player=<VERSION_BEFORE_8.0> 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_8.0> 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.

Public exploits and detection

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

Exploit-DB: Macromedia Flash 8 (Flash8b.ocx) Internet Explorer 7 - Denial of Service

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-2006-6827?

flash player: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-6827 being exploited?

CVE-2006-6827 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-2006-6827 affect?

CVE-2006-6827 affects flash player. Severity is medium (CVSS 5.0). Flash8b.ocx in Macromedia Flash 8 allows remote attackers to cause a denial of service (Internet Explorer 7 crash) via a long string in the Flash8b.AllowScriptAccess method.

How urgent is CVE-2006-6827?

Priority 45/100. Public exploit reference

Software pages

Adobe Flash vulnerabilities · Internet Explorer vulnerabilities

Related CVEs

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CVE-2016-1019 CRITICAL 9.8 EXPLOITED UPGRADE UPGRADE Adobe Flash Player Arbitrary Code Execution Vulnerability
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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