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Fencer Intel
high 8.8

CVE-2018-4262 json

In Safari before 11.1.2, iTunes before 12.8 for Windows, iOS before 11.4.1, tvOS before 11.4.1, iCloud for Windows before 7.6, multiple mem…

published 2019-01-11 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-16048

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

In Safari before 11.1.2, iTunes before 12.8 for Windows, iOS before 11.4.1, tvOS before 11.4.1, iCloud for Windows before 7.6, multiple memory corruption issues were addressed with improved memory handling.

Patch / fix

  • apple safari 11.1.2
  • apple icloud 7.6
  • apple itunes 12.8
  • apple iphone_os 11.4.1
  • apple tvos 11.4.1
  • apple watchos 4.3.2
  • webkit2gtk Debian 14, Debian 13, Debian 12 2.20.4-1

debian advisories DEBIAN-CVE-2018-4262

  • webkit2gtk Ubuntu 16.04 LTS 2.20.5-0ubuntu0.16.04.1
  • webkit2gtk Ubuntu 18.04 LTS 2.20.5-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2018-4262

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 SLES for SAP 12 SP4, SLES for SAP 12 SP3, SLES for SAP 12 SP2 +12 more 2.22.4-2.29.3
  • webkit2gtk3 SLE Module for Desktop Applications 15, SLE Module for Basesystem 15 2.20.5-3.8.1

suse advisories SUSE-SU-2019:0059-1SUSE-SU-2018:2752-1

  • webkit2gtk Alpine 3.8 2.20.4-r0

alpine advisories ALPINE-CVE-2018-4262

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Exploit prediction

2.59% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

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 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.