CVE-2017-7523

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-787 CWE-119

Affected software

Vendor	Product	Versions
Red Hat, Inc.	cygwin	since 1.7.2 up to 2.8.0

References

https://cygwin.com/ml/cygwin/2017-05/msg00149.htmlExploit, Mailing List, Vendor Advisory
https://cygwin.com/ml/cygwin/2017-05/msg00149.htmlExploit, Mailing List, Vendor Advisory

Timeline

Published: Jul 21, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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