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Fencer Intel
high 7.5

CVE-2018-4366 json

A memory corruption issue was addressed with improved input validation.

published 2019-04-03 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-16152

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.4%
EPSS 6.4% chance of exploitation in 30 days, percentile 93%
public exploits
1
Exploit-DB

Summary

A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1.

Patch / fix

  • apple iphone_os 12.1

Timeline

  1. First public exploit (EDB-45788)
  2. Published

Exploit prediction

6.45% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-45788 FaceTime - 'VCPDecompressionDecodeFrame' Memory Corruption dos, 2018-11-06

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:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • n/a iOS

Classification

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

References

Sources

Fencer Intel 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.