CVE-2009-4310: Stack-based buffer overflow in the Intel Indeo41 codec for Windows Media Player in Microsoft Windows 2000 SP4,

This week

HIGH 9.3WATCHLISTMITIGATEMITIGATEMITIGATE

CVE-2009-4310 is a high-severity flaw (CVSS 9.3) affecting windows 2000, windows 2003 server, windows xp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in the Intel Indeo41 codec for Windows Media Player in Microsoft Windows 2000 SP4, XP SP2 and SP3, and Server 2003 SP2 allows remote attackers to execute arbitrary code via crafted compressed video data in an IV41 stream in a media file, leading to many loop iterations, as demonstrated by data in an AVI file.

Why this priority

Critical severity
EPSS top 2%: very likely to be exploited
On your watchlist

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

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	24.1% (top 2%)
CISA exploited list	No
Weakness	CWE-119
Published	2009-12-13
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: microsoft · windows

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

Am I affected?

Timeline

2009-12-13 01:30 UTCPublished CVE record published
2026-06-16 23:13 UTCUpdated Record last modified

microsoft windows 2000 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

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.

microsoft windows 2003 server MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

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.

microsoft windows xp MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

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.

windows media player MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2009-4310?

windows 2000: mitigate or apply the listed mitigation; windows 2003 server: mitigate or apply the listed mitigation; windows xp: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2009-4310 being exploited?

CVE-2009-4310 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-2009-4310 affect?

CVE-2009-4310 affects windows 2000, windows 2003 server, windows xp. Severity is high (CVSS 9.3). Stack-based buffer overflow in the Intel Indeo41 codec for Windows Media Player in Microsoft Windows 2000 SP4, XP SP2 and SP3, and Server 2003 SP2 allows remote attackers to execute arbitrary code via crafted compressed video data in an IV4

How urgent is CVE-2009-4310?

Priority 62/100. Critical severity; EPSS top 2%: very likely to be exploited; On your watchlist

Software pages

Windows vulnerabilities · Intel vulnerabilities

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References

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