CVE-2018-4121

HIGH

Apple Safari < 11.1 - Memory Corruption

Title source: rule

Description

An issue was discovered in certain Apple products. iOS before 11.3 is affected. Safari before 11.1 is affected. iCloud before 7.4 on Windows is affected. iTunes before 12.7.4 on Windows is affected. tvOS before 11.3 is affected. watchOS before 4.3 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.

Exploits (5)

exploitdb WORKING POC VERIFIED
by Google Security Research · textdosmultiple
https://www.exploit-db.com/exploits/44427
nomisec WORKING POC 119 stars
by FSecureLABS · poc
https://github.com/FSecureLABS/CVE-2018-4121
nomisec WORKING POC
by jezzus · poc
https://github.com/jezzus/CVE-2018-4121
nomisec WORKING POC
by likekabin · poc
https://github.com/likekabin/CVE-2018-4121
inthewild WORKING POC
poc
https://github.com/mwrlabs/cve-2018-4121

Scores

CVSS v3 8.8
EPSS 0.3861
EPSS Percentile 97.3%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (6)
apple/icloud < 7.4
apple/iphone_os < 11.3
apple/itunes < 12.7.4
apple/safari < 11.1
apple/tvos < 11.3
apple/watchos < 4.3
Published Apr 03, 2018
Tracked Since Feb 18, 2026