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Fencer Vulns
high 8.8

CVE-2018-4162 in the critical feed json

An issue was discovered in certain Apple products.

published 2018-04-03 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-15948

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
37.8%
EPSS 37.8% chance of exploitation in 30 days, percentile 98%
public exploits
1
Metasploit

Summary

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.

Patch / fix

  • apple safari 11.1
  • apple icloud 7.4
  • apple itunes 12.7.4
  • webkitgtk webkitgtk+ 2.20.4
  • apple iphone_os 11.3
  • apple tvos 11.3
  • apple watchos 4.3
  • webkit2gtk Debian 14, Debian 13, Debian 12 2.20.0-2

debian advisories DEBIAN-CVE-2018-4162

  • webkit2gtk Ubuntu 16.04 LTS 2.20.1-0ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2018-4162

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • webkit2gtk3 SLE Module for Desktop Applications 15, SLE Module for Basesystem 15 2.22.5-3.13.1
  • webkit2gtk3 SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 +2 more 2.20.3-2.23.8

suse advisories SUSE-SU-2019:0092-1SUSE-SU-2018:3387-1

  • gtk3 openSUSE Tumbleweed 2.32.4-1.1
  • webkit2gtk3 openSUSE Leap 15.0 2.22.5-lp150.2.9.1

opensuse advisories openSUSE-SU-2024:11506-1openSUSE-SU-2019:0081-1

Timeline

  1. First public exploit (Metasploit exploit/apple_ios/browser/safari_jit)
  2. Published

Exploit prediction

37.84% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/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.