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TI-2024-01215 Aliases CVE-2024-1305GHSA-fv4p-hrvc-c34g

Integer overflow in OpenVPN tap-windows6

Priority HIGH 65CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.

Summary

tap-windows6 driver version 9.26 and earlier does not properly check the size data of incomming write operations which an attacker can use to overflow memory buffers, resulting in a bug check and potentially arbitrary code execution in kernel space

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.15379 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OpenVPNtap-windows6up to 9.26—No fix listedCNA
OpenVPNOpenVPN-GUIup to 2.6.9—No fix listedCNA
  • tap-windows6 VendorOpenVPN Affected up to 9.26 Fixed in — No fix listed CNA
  • OpenVPN-GUI VendorOpenVPN Affected up to 2.6.9 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:openvpn:tap-windows6:*:*:*:*:*:*:*:*up to 9.26.0VulnerableOpenVPN
  • cpe:2.3:a:openvpn:tap-windows6:*:*:*:*:*:*:*:* Versions up to 9.26.0 Vulnerable ·OpenVPN

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-1305
  2. 2026-10-03 Alias added: GHSA-fv4p-hrvc-c34g

References

Advisory 1

Other 1

Sources

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