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Fencer Vulns
high 7.5

CVE-2017-7185 in the critical feed json

Use-after-free vulnerability in the mg_http_multipart_wait_for_boundary function in mongoose.c in Cesanta Mongoose Embedded Web Server Libr…

published 2017-04-10 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16223

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.3%
EPSS 12.3% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

Timeline

  1. First public exploit (EDB-41826)
  2. Published

Exploit prediction

12.25% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-41826 Cesanta Mongoose OS - Use-After-Free dos, 2017-04-06
  • compass-security.com https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CVE-2017-7185_mongoose_os_use_after_free.txt referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.