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Vulnerability record · CVE-2007-6181 · published 30 November 2007

CVE-2007-6181: Redhat cygwin memory buffer overflow vulnerability

Redhat · Cygwin

Heap-based buffer overflow in cygwin1.dll in Cygwin 1.5.7 and earlier allows context-dependent attackers to execute arbitrary code via a filename with a certain length, as demonstrated by a remote authenticated user who uses the SCP protocol to send a file to the Cygwin machine, and thereby causes scp.exe on this machine to execute, and then overwrite heap memory with characters from the filename. NOTE: it is also reported that a related issue might exist in 1.5.7 through 1.5.19.

8.5 CVSS 2.0 High EPSS 5.6% · top 7.4% CWE-119 · Memory buffer overflow
8.5CVSS 2.0 base score
5.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in cygwin1.dll in Cygwin 1.5.7 and earlier allows context-dependent attackers to execute arbitrary code via a filename with a certain length, as demonstrated by a remote authenticated user who uses the SCP protocol to send a file to the Cygwin machine, and thereby causes scp.exe on this machine to execute, and then overwrite heap memory with characters from the filename. NOTE: it is also reported that a related issue might exist in 1.5.7 through 1.5.19.

AV:N/AC:M/Au:S/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://cygwin.com/ml/cygwin-developers/2007-11/msg00005.html ExploitPatchVendor Advisory
http://cygwin.com/ml/cygwin-developers/2007-11/msg00024.html ExploitVendor Advisory
http://cygwin.com/ml/cygwin-developers/2007-11/msg00026.html Vendor Advisory
http://securityreason.com/securityalert/3406 Third Party Advisory
http://www.securityfocus.com/archive/1/484153/100/0/threaded Third Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/26557 Third Party AdvisoryVDB Entry
http://cygwin.com/ml/cygwin-developers/2007-11/msg00005.html ExploitPatchVendor Advisory
http://cygwin.com/ml/cygwin-developers/2007-11/msg00024.html ExploitVendor Advisory
http://cygwin.com/ml/cygwin-developers/2007-11/msg00026.html Vendor Advisory
http://securityreason.com/securityalert/3406 Third Party Advisory
http://www.securityfocus.com/archive/1/484153/100/0/threaded Third Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/26557 Third Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2007-6181), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.