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TI-2017-05165 Aliases CVE-2017-7523GHSA-vhqx-rr9r-7jww

Out-of-bounds write in Red Hat cygwin

Priority LOW 38CWE-787Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability in wcsxfrm/wcsxfrm_l functions resulting into denial-of-service by crashing the process or potential hijack of the process running with administrative privileges triggered by specially crafted input string.

Why it matters now

EPSS 0.02746 86th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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
Red Hatcygwinsince 1.7.2 up to 2.8.0—No fix listedCNA
  • cygwin VendorRed Hat Affected since 1.7.2 up to 2.8.0 Fixed in — No fix listed CNA

CPE configurations NVD · 32

CPEVersionsRoleVendor
cpe:2.3:a:cygwin:cygwin:1.7.2:*:*:*:*:*:*:*1.7.2VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.3:*:*:*:*:*:*:*1.7.3VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.5:*:*:*:*:*:*:*1.7.5VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.6:*:*:*:*:*:*:*1.7.6VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.7:*:*:*:*:*:*:*1.7.7VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.8:*:*:*:*:*:*:*1.7.8VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.9:*:*:*:*:*:*:*1.7.9VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.10:*:*:*:*:*:*:*1.7.10VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.11:*:*:*:*:*:*:*1.7.11VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.12:*:*:*:*:*:*:*1.7.12VulnerableCygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.2:*:*:*:*:*:*:* Versions 1.7.2 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.3:*:*:*:*:*:*:* Versions 1.7.3 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.5:*:*:*:*:*:*:* Versions 1.7.5 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.6:*:*:*:*:*:*:* Versions 1.7.6 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.7:*:*:*:*:*:*:* Versions 1.7.7 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.8:*:*:*:*:*:*:* Versions 1.7.8 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.9:*:*:*:*:*:*:* Versions 1.7.9 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.10:*:*:*:*:*:*:* Versions 1.7.10 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.11:*:*:*:*:*:*:* Versions 1.7.11 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.12:*:*:*:*:*:*:* Versions 1.7.12 Vulnerable ·Cygwin
Show 22 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:cygwin:cygwin:1.7.13:*:*:*:*:*:*:*1.7.13VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.14:*:*:*:*:*:*:*1.7.14VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.15:*:*:*:*:*:*:*1.7.15VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.16:*:*:*:*:*:*:*1.7.16VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.17:*:*:*:*:*:*:*1.7.17VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.18:*:*:*:*:*:*:*1.7.18VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.19:*:*:*:*:*:*:*1.7.19VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.21:*:*:*:*:*:*:*1.7.21VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.22:*:*:*:*:*:*:*1.7.22VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.23:*:*:*:*:*:*:*1.7.23VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.24:*:*:*:*:*:*:*1.7.24VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.25:*:*:*:*:*:*:*1.7.25VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.26:*:*:*:*:*:*:*1.7.26VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.27:*:*:*:*:*:*:*1.7.27VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.28:*:*:*:*:*:*:*1.7.28VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.29:*:*:*:*:*:*:*1.7.29VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.31:*:*:*:*:*:*:*1.7.31VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.32:*:*:*:*:*:*:*1.7.32VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.33:*:*:*:*:*:*:*1.7.33VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.34:*:*:*:*:*:*:*1.7.34VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.7.35:*:*:*:*:*:*:*1.7.35VulnerableCygwin
cpe:2.3:a:cygwin:cygwin:1.8.0:*:*:*:*:*:*:*1.8.0VulnerableCygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.13:*:*:*:*:*:*:* Versions 1.7.13 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.14:*:*:*:*:*:*:* Versions 1.7.14 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.15:*:*:*:*:*:*:* Versions 1.7.15 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.16:*:*:*:*:*:*:* Versions 1.7.16 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.17:*:*:*:*:*:*:* Versions 1.7.17 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.18:*:*:*:*:*:*:* Versions 1.7.18 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.19:*:*:*:*:*:*:* Versions 1.7.19 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.21:*:*:*:*:*:*:* Versions 1.7.21 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.22:*:*:*:*:*:*:* Versions 1.7.22 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.23:*:*:*:*:*:*:* Versions 1.7.23 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.24:*:*:*:*:*:*:* Versions 1.7.24 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.25:*:*:*:*:*:*:* Versions 1.7.25 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.26:*:*:*:*:*:*:* Versions 1.7.26 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.27:*:*:*:*:*:*:* Versions 1.7.27 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.28:*:*:*:*:*:*:* Versions 1.7.28 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.29:*:*:*:*:*:*:* Versions 1.7.29 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.31:*:*:*:*:*:*:* Versions 1.7.31 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.32:*:*:*:*:*:*:* Versions 1.7.32 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.33:*:*:*:*:*:*:* Versions 1.7.33 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.34:*:*:*:*:*:*:* Versions 1.7.34 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.7.35:*:*:*:*:*:*:* Versions 1.7.35 Vulnerable ·Cygwin
  • cpe:2.3:a:cygwin:cygwin:1.8.0:*:*:*:*:*:*:* Versions 1.8.0 Vulnerable ·Cygwin

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-7523
  2. 2026-10-03 Alias added: GHSA-vhqx-rr9r-7jww

References

Exploit 1

  • TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
See all 7412 →

Sources

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