CVE-2009-1537 — Unspecified vulnerability in the QuickTime Movie Parser Filter in quartz

Unspecified vulnerability in the QuickTime Movie Parser Filter in quartz.dll in DirectShow in Microsoft DirectX 7.0 through 9.0c on Windows 2000 SP4, Windows XP SP2 and SP3, and Windows Server 2003 SP2 allows remote attackers to execute arbitrary code via a crafted QuickTime medi

01What is this vulnerability?

Unspecified vulnerability in the QuickTime Movie Parser Filter in quartz.dll in DirectShow in Microsoft DirectX 7.0 through 9.0c on Windows 2000 SP4, Windows XP SP2 and SP3, and Windows Server 2003 SP2 allows remote attackers to execute arbitrary code via a crafted QuickTime media file, as exploited in the wild in May 2009, aka "DirectX NULL Byte Overwrite Vulnerability."

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2026-05-20. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2009-05-29T18:30:00.187
• Last modified: 2026-05-20T18:16:24.973
• Added to CISA KEV: 2026-05-20

09References

• blogs.technet.com — http://blogs.technet.com/msrc/archive/2009/05/28/microsoft-security-advisory-971…
• blogs.technet.com — http://blogs.technet.com/srd/archive/2009/05/28/new-vulnerability-in-quicktime-p…
• isc.sans.org — http://isc.sans.org/diary.html?storyid=6481
• osvdb.org — http://osvdb.org/54797
• secunia.com — http://secunia.com/advisories/35268
• www.microsoft.com — http://www.microsoft.com/technet/security/advisory/971778.mspx
• www.securityfocus.com — http://www.securityfocus.com/bid/35139
• www.securitytracker.com — http://www.securitytracker.com/id?1022299
• www.us-cert.gov — http://www.us-cert.gov/cas/techalerts/TA09-195A.html
• www.vupen.com — http://www.vupen.com/english/advisories/2009/1445