CVE-2009-1537

Undergoing Analysis
Published: 29 May 2009, 18:00
Last modified:20 May 2026, 17:19

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.3 HIGH
v2.0 (nvd)
EPSS Score
68.08% CRITICAL
68% probability 0.00%
KEV
Listed
CISA
1 listing
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

29 May 2009, 18:00
Published
Vulnerability first disclosed
20 May 2026, 00:00
Added to CISA KEV
Microsoft DirectX NULL Byte Overwrite Vulnerability
20 May 2026, 17:19
Last Modified
Vulnerability information updated
03 Jun 2026, 00:00
CISA Remediation Due
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Description

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."

CVSS Metrics

  • v3.1•HIGH•Score: 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • v2.0•HIGH•Score: 9.3AV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 68.08%• Percentile: 99%

Techniques & Countermeasures

  • CWE-158•Improper Neutralization of Null Byte or NUL Character

    The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes NUL characters or null bytes when they are sent to a downstream component.

Affected Systems

  • microsoft•directx

    7.0 | 7.0a | 7.1 | 8.1 | 8.1b | 9.0 | 9.0a | 9.0b | 9.0c

References (14)