Multiple memory corruption issues were addressed with improved memory handling.

published 2019-03-05 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-15793

cvss: 8.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.8%; EPSS 1.8% chance of exploitation in 30 days, percentile 79%
public exploits: 0; none known

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.1.3, tvOS 12.1.2, watchOS 5.1.3, Safari 12.0.3, iTunes 12.9.3 for Windows, iCloud for Windows 7.10. Processing maliciously crafted web content may lead to arbitrary code execution.

Patch / fix

fixed in 6 distros 4

Apple iOS iOS 12.1.3
Apple tvOS tvOS 12.1.2
Apple watchOS watchOS 5.1.3
Apple Safari Safari 12.0.3
Apple iTunes for Windows iTunes 12.9.3 for Windows
Apple iCloud for Windows iCloud for Windows 7.10

debian ubuntu suse opensuse

webkit2gtk Debian 14, Debian 13, Debian 12 2.22.0-2

debian advisories DEBIAN-CVE-2019-6226

webkit2gtk Ubuntu 18.04 LTS 2.22.2-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2019-6226

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 2.22.6-2.35.1
webkit2gtk3 SLE Module for Desktop Applications 15, SLE Module for Basesystem 15 2.22.6-3.18.2

suse advisories SUSE-SU-2019:0511-1 SUSE-SU-2019:0497-1

webkit2gtk3 openSUSE Leap 15.0 2.22.6-lp150.2.12.1

opensuse advisories openSUSE-SU-2019:0308-1

Exploit prediction

1.84% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

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

Affected products

Apple iOS
Apple tvOS
Apple watchOS
Apple Safari
Apple iTunes for Windows
Apple iCloud for Windows

Classification

Weakness

CWE-787 Out-of-bounds Write

References

security.gentoo.org /glsa/201903-12
vendor-advisory, third-party-advisory
support.apple.com /HT209443
vendor-advisory
support.apple.com /HT209451
vendor-advisory
support.apple.com /HT209449
vendor-advisory
support.apple.com /HT209450
vendor-advisory
support.apple.com /HT209448
vendor-advisory
support.apple.com /HT209447
vendor-advisory
securityfocus.com /bid/106696
vdb-entry, third-party-advisory

Sources

CVE List CVE-2019-6226
NVD CVE-2019-6226

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