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Fencer Vulns
critical 9.8

CVE-2018-19862 in the critical feed json

Buffer overflow in MiniShare 1.4.1 and earlier allows remote attackers to execute arbitrary code via a long HTTP POST request.

published 2019-01-03 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-11536

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.6%
EPSS 12.6% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

Buffer overflow in MiniShare 1.4.1 and earlier allows remote attackers to execute arbitrary code via a long HTTP POST request. NOTE: this product is discontinued.

Timeline

  1. First public exploit (EDB-45999)
  2. Published

Exploit prediction

12.55% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-45999 MiniShare 1.4.1 - 'HEAD/POST' Remote Buffer Overflow remote, 2018-12-18
  • packetstormsecurity.com http://packetstormsecurity.com/files/150689/MiniShare-1.4.1-HEAD-POST-Buffer-Overflow.html referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/fulldisclosure/2018/Dec/19 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.