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-2018-16153

cvss: 9.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 6.5%; EPSS 6.5% chance of exploitation in 30 days, percentile 93%
public exploits: 1; Exploit-DB

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

Patch / fix

fixed in 1

apple iphone_os 12.1

Timeline

2018-11-06 First public exploit (EDB-45787)
2019-04-03 Published

Exploit prediction

6.50% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

EDB-45787 FaceTime - 'readSPSandGetDecoderParams' Stack Corruption dos, 2018-11-06

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

Affected products

n/a iOS

Classification

Weakness

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

References

support.apple.com /kb/HT209192
vendor-advisory

Sources

CVE List CVE-2018-4367
NVD CVE-2018-4367

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.

Summary