Read the docs
TI-2016-02567 Aliases CVE-2016-3067GHSA-q582-cxmf-6cxr

Cygwin before 2.5.0 does not properly handle updating permissions when changing users…

Priority MEDIUM 46CWE-264Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-264.

Summary

Cygwin before 2.5.0 does not properly handle updating permissions when changing users, which allows attackers to gain privileges.

Why it matters now

EPSS 0.0204 81st 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cygwin:cygwin:*:*:*:*:*:*:*:*up to 2.4.1-1VulnerableCygwin
  • cpe:2.3:a:cygwin:cygwin:*:*:*:*:*:*:*:* Versions up to 2.4.1-1 Vulnerable ·Cygwin

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-3067
  2. 2026-10-03 Alias added: GHSA-q582-cxmf-6cxr

References

Advisory 4

Other 1

  • TI-2017-05165 Out-of-bounds write in Red Hat cygwin CVSS 3.0HIGH 7.5

Sources

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