VIR Vulnerability Intelligence Relay

CVE-2017-7523

high
Published 2017-07-21 · Modified 2026-05-13
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4 NEW
—
not yet in upstream
VIR risk
7.5

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.

Predictions

Exploit likelihood
83%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact
VendorProductVersionsFixed
cygwincygwin1.7.2
cygwincygwin1.7.3
cygwincygwin1.7.5
cygwincygwin1.7.6
cygwincygwin1.7.7
cygwincygwin1.7.8
cygwincygwin1.7.9
cygwincygwin1.7.10
cygwincygwin1.7.11
cygwincygwin1.7.12
cygwincygwin1.7.13
cygwincygwin1.7.14
cygwincygwin1.7.15
cygwincygwin1.7.16
cygwincygwin1.7.17
cygwincygwin1.7.18
cygwincygwin1.7.19
cygwincygwin1.7.21
cygwincygwin1.7.22
cygwincygwin1.7.23
cygwincygwin1.7.24
cygwincygwin1.7.25
cygwincygwin1.7.26
cygwincygwin1.7.27
cygwincygwin1.7.28
cygwincygwin1.7.29
cygwincygwin1.7.31
cygwincygwin1.7.32
cygwincygwin1.7.33
cygwincygwin1.7.34
cygwincygwin1.7.35
cygwincygwin1.8.0

References

CWEs

CWE-787 CWE-119

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.