CVE-2017-7523

7.5 highEPSS 2.7%

High (7.5) in cygwin cygwin. EPSS 2.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

7.5 high

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

EPSS: 2.7% chance of exploitation in the next 30 days; higher than 86% of CVEs (scores of 2026-10-31)
CWEs: CWE-119, CWE-787
Published: 2017-07-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

cygwin:cygwin

References

https://cygwin.com/ml/cygwin/2017-05/msg00149.html
https://cygwin.com/ml/cygwin/2017-05/msg00149.html

Check your stack JSON