CVE-2017-7185

Use-after-free vulnerability in the mg_http_multipart_wait_for_boundary function in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.7 and earlier and Mongoose OS 1.2 and earlier allows remote attackers to cause a denial of service (crash) via a multipart/form-data POST request without a MIME boundary string.

• CWE-416

• http://www.securityfocus.com/archive/1/540355/100/0/threaded
• http://www.securityfocus.com/bid/97370Third Party Advisory, VDB Entry
• https://github.com/cesanta/mongoose-os/commit/042eb437973a202d00589b13d628181c6de5cf5bPatch, Third Party Advisory
• https://github.com/cesanta/mongoose/commit/b8402ed0733e3f244588b61ad5fedd093e3cf9ccPatch, Third Party Advisory
• https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CVE-2017-7185_mongoose_os_use_after_free.txtExploit, Technical Description, Third Party Advisory
• https://www.exploit-db.com/exploits/41826/
• http://www.securityfocus.com/archive/1/540355/100/0/threaded
• http://www.securityfocus.com/bid/97370Third Party Advisory, VDB Entry
• https://github.com/cesanta/mongoose-os/commit/042eb437973a202d00589b13d628181c6de5cf5bPatch, Third Party Advisory
• https://github.com/cesanta/mongoose/commit/b8402ed0733e3f244588b61ad5fedd093e3cf9ccPatch, Third Party Advisory
• https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CVE-2017-7185_mongoose_os_use_after_free.txtExploit, Technical Description, Third Party Advisory
• https://www.exploit-db.com/exploits/41826/

Published

Apr 10, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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