TI-2007-05525 Aliases CVE-2007-5756 GHSA-jjw7-6pfq-97j9

Multiple array index errors in the bpf_filter_init function in NPF.SYS in WinPcap before…

LOW 31CWE-129Published 2007-11-14 · Updated 2024-08-07

Key facts

Attack vector: Local
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Medium
Impact type: Code execution
Confidentiality · integrity · availability: Complete · Complete · Complete
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-129 and the CVSS impact.

Summary

Multiple array index errors in the bpf_filter_init function in NPF.SYS in WinPcap before 4.0.2, when run in monitor mode (aka Table Management Extensions or TME), and as used in Wireshark and possibly other products, allow local users to gain privileges via crafted IOCTL requests.

Why it matters now

EPSS 0.00586 48th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:winpcap:winpcap::::::::	before 4.0.2	Vulnerable	Winpcap

cpe:2.3:a:winpcap:winpcap:*:*:*:*:*:*:*:* Versions before 4.0.2 Vulnerable ·Winpcap

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2007-5756
2026-10-03 Alias added: GHSA-jjw7-6pfq-97j9

References

Advisory 1

20071112 WinPcap NPF.SYS bpf_filter_init Arbitrary Array Indexing Vulnerability

Other 2

TI-2007-03571 The IOCTL 9031 (BIOCGSTATS) handler in the NPF.SYS device driver in WinPcap before 4.0.1… CVSS 2.0MEDIUM 6.6

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences