Every CVE Search/ Get API key

CVE-2018-4386

Multiple memory corruption issues were addressed with improved memory handling. This issue...

8.8 HighPublic exploitFix available

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12.1, tvOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

6.49%Down 2.9 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.8

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12.1, tvOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.

Record
CVE-2018-4386
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-119
Updated
2026-11-02
CVE List No score

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12.1, tvOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.

Record
CVE-2018-4386
Updated
2026-11-02
EUVDEUVD-2018-16172 No score

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12.1, tvOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.

Record
EUVD-2018-16172
Updated
2026-11-03
GitHub AdvisoriesGHSA-pw4f-vm4x-g476 8.8

Multiple memory corruption issues were addressed with improved memory handling. This issue...

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12.1, tvOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.

Record
GHSA-pw4f-vm4x-g476
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-119
Updated
2026-11-02
OSV 8.8

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12.1, tvOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.

Record
CVE-2018-4386
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-4386 8.8

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12.1, tvOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.

Record
DEBIAN-CVE-2018-4386
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 5 moreShow less
OSVUBUNTU-CVE-2018-4386 8.8

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12.1, tvOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.

Record
UBUNTU-CVE-2018-4386
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2019:0081-1 No score

Security update for webkit2gtk3

This update for webkit2gtk3 to version 2.22.5 fixes the following issues:

Security issues fixed:

  • CVE-2018-4372, CVE-2018-4345, CVE-2018-4386, CVE-2018-4375, CVE-2018-4376, CVE-2018-4378, CVE-2018-4382, CVE-2018-4392, CVE-2018-4416, CVE-2018-4191, CVE-2018-4197, CVE-2018-4299, CVE-2018-4306, CVE-2018-4309, CVE-2018-4312, CVE-2018-4314, CVE-2018-4315, CVE-2018-4316, CVE-2018-4317, CVE-2018-4318, CVE-2018-4319, CVE-2018-4323, CVE-2018-4328, CVE-2018-4358, CVE-2018-4359, CVE-2018-4361, CVE-2018-4373, CVE-2018-4162, CVE-2018-4163, CVE-2018-4165, CVE-2018-11713, CVE-2018-4207, CVE-2018-4208, CVE-2018-4209, CVE-2018-4210, CVE-2018-4212, CVE-2018-4213, CVE-2018-4437, CVE-2018-4438, CVE-2018-4441, CVE-2018-4442, CVE-2018-4443, CVE-2018-4464 (bsc#1119558, bsc#1116998, bsc#1110279)

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2019:0081-1
Updated
2026-11-02
OSVSUSE-SU-2019:0059-1 No score

Security update for webkit2gtk3

This update for webkit2gtk3 to version 2.22.4 fixes the following issues:

Security issues fixed:

CVE-2018-4191, CVE-2018-4197, CVE-2018-4299, CVE-2018-4306, CVE-2018-4309, CVE-2018-4392, CVE-2018-4312, CVE-2018-4314, CVE-2018-4315, CVE-2018-4316, CVE-2018-4317, CVE-2018-4318, CVE-2018-4319, CVE-2018-4323, CVE-2018-4328, CVE-2018-4358, CVE-2018-4359, CVE-2018-4361, CVE-2018-4345, CVE-2018-4372, CVE-2018-4373, CVE-2018-4375, CVE-2018-4376, CVE-2018-4416, CVE-2018-4378, CVE-2018-4382, CVE-2018-4386 (bsc#1110279, bsc#1116998).

Record
SUSE-SU-2019:0059-1
Updated
2026-11-02
OSVSUSE-SU-2019:0092-1 No score

Security update for webkit2gtk3

This update for webkit2gtk3 to version 2.22.5 fixes the following issues:

Security issues fixed:

  • CVE-2018-4372, CVE-2018-4345, CVE-2018-4386, CVE-2018-4375, CVE-2018-4376, CVE-2018-4378, CVE-2018-4382, CVE-2018-4392, CVE-2018-4416, CVE-2018-4191, CVE-2018-4197, CVE-2018-4299, CVE-2018-4306, CVE-2018-4309, CVE-2018-4312, CVE-2018-4314, CVE-2018-4315, CVE-2018-4316, CVE-2018-4317, CVE-2018-4318, CVE-2018-4319, CVE-2018-4323, CVE-2018-4328, CVE-2018-4358, CVE-2018-4359, CVE-2018-4361, CVE-2018-4373, CVE-2018-4162, CVE-2018-4163, CVE-2018-4165, CVE-2018-11713, CVE-2018-4207, CVE-2018-4208, CVE-2018-4209, CVE-2018-4210, CVE-2018-4212, CVE-2018-4213, CVE-2018-4437, CVE-2018-4438, CVE-2018-4441, CVE-2018-4442, CVE-2018-4443, CVE-2018-4464 (bsc#1119558, bsc#1116998, bsc#1110279)
Record
SUSE-SU-2019:0092-1
Updated
2026-11-02
OSVUSN-3828-1 No score

webkit2gtk vulnerabilities

A large number of security issues were discovered in the WebKitGTK+ Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.

Record
USN-3828-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
webkit2gtk
Debian:12
 before 2.22.3-1
2.22.3-1
webkit2gtk
Debian:13
 before 2.22.3-1
2.22.3-1
webkit2gtk
Debian:14
 before 2.22.3-1
2.22.3-1
webkit2gtk3
SUSE:OpenStack Cloud 7
From an advisory covering 45 CVEs
 before 2.22.4-2.29.3
2.22.4-2.29.3
webkit2gtk3
SUSE:Linux Enterprise Desktop 12 SP3
From an advisory covering 45 CVEs
 before 2.22.4-2.29.3
2.22.4-2.29.3
webkit2gtk3
SUSE:Linux Enterprise Desktop 12 SP4
From an advisory covering 45 CVEs
 before 2.22.4-2.29.3
2.22.4-2.29.3
webkit2gtk3
SUSE:Linux Enterprise Server for SAP Applications 12 SP2
From an advisory covering 45 CVEs
 before 2.22.4-2.29.3
2.22.4-2.29.3
webkit2gtk3
SUSE:Linux Enterprise Software Development Kit 12 SP3
From an advisory covering 45 CVEs
 before 2.22.4-2.29.3
2.22.4-2.29.3
webkit2gtk3
SUSE:Linux Enterprise Software Development Kit 12 SP4
From an advisory covering 45 CVEs
 before 2.22.4-2.29.3
2.22.4-2.29.3
webkit2gtk3
SUSE:Linux Enterprise Server 12 SP2-LTSS
From an advisory covering 45 CVEs
 before 2.22.4-2.29.3
2.22.4-2.29.3
Show 23 moreShow less
Affected packages
PackageAffectedFixed
webkit2gtk3
SUSE:Linux Enterprise Server 12 SP2-BCL
From an advisory covering 45 CVEs
 before 2.22.4-2.29.3
2.22.4-2.29.3
webkit2gtk3
SUSE:Linux Enterprise Server 12 SP3
From an advisory covering 45 CVEs
 before 2.22.4-2.29.3
2.22.4-2.29.3
webkit2gtk3
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
From an advisory covering 45 CVEs
 before 2.22.4-2.29.3
2.22.4-2.29.3
webkit2gtk3
SUSE:Linux Enterprise Server 12 SP4
From an advisory covering 45 CVEs
 before 2.22.4-2.29.3
2.22.4-2.29.3
webkit2gtk3
SUSE:Linux Enterprise Server for SAP Applications 12 SP4
From an advisory covering 45 CVEs
 before 2.22.4-2.29.3
2.22.4-2.29.3
webkit2gtk3
SUSE:Linux Enterprise Workstation Extension 12 SP3
From an advisory covering 45 CVEs
 before 2.22.4-2.29.3
2.22.4-2.29.3
webkit2gtk3
SUSE:Linux Enterprise Workstation Extension 12 SP4
From an advisory covering 45 CVEs
 before 2.22.4-2.29.3
2.22.4-2.29.3
webkit2gtk3
SUSE:Enterprise Storage 4
From an advisory covering 45 CVEs
 before 2.22.4-2.29.3
2.22.4-2.29.3
webkit2gtk3
SUSE:Linux Enterprise Module for Basesystem 15
From an advisory covering 43 CVEs
 before 2.22.5-3.13.1
2.22.5-3.13.1
webkit2gtk3
SUSE:Linux Enterprise Module for Desktop Applications 15
From an advisory covering 43 CVEs
 before 2.22.5-3.13.1
2.22.5-3.13.1
qtwebkit-opensource-src
Ubuntu:16.04:LTS
 All versions, plus listed versions
5.4.2+dfsg-1ubuntu2.15.5.1+dfsg-2ubuntu1
 None known
webkit2gtk
Ubuntu:16.04:LTS
 All versions, plus listed versions
2.8.5+dfsg1-32.10.3+dfsg1-12.10.4+dfsg1-12.10.5-12.10.6-1
Show 21 moreShow less
2.10.6-1ubuntu12.10.8-1ubuntu12.10.9-1ubuntu12.12.5-0ubuntu0.16.04.12.14.2-0ubuntu0.16.04.12.14.3-0ubuntu0.16.04.12.14.5-0ubuntu0.16.04.12.16.1-0ubuntu0.16.04.12.16.1-0ubuntu0.16.04.22.16.2-0ubuntu0.16.04.12.16.3-0ubuntu0.16.04.12.16.6-0ubuntu0.16.04.12.18.0-0ubuntu0.16.04.22.18.3-0ubuntu0.16.04.12.18.4-0ubuntu0.16.04.12.18.5-0ubuntu0.16.04.12.18.6-0ubuntu0.16.04.12.20.1-0ubuntu0.16.04.12.20.2-0ubuntu0.16.04.12.20.3-0ubuntu0.16.04.12.20.5-0ubuntu0.16.04.1
 None known
qtwebkit-source
Ubuntu:16.04:LTS
 All versions, plus listed versions
2.3.2-0ubuntu102.3.2-0ubuntu11
 None known
webkitgtk
Ubuntu:16.04:LTS
 All versions, plus listed versions
2.4.9-2ubuntu22.4.10-0ubuntu12.4.11-0ubuntu0.1
 None known
webkit2gtk
Ubuntu:18.04:LTS
 before 2.22.4-0ubuntu0.18.04.1, plus listed versions
2.18.0-22.18.0-2build12.18.2-12.18.3-12.18.4-1
Show 12 moreShow less
2.18.6-12.19.91-1ubuntu12.19.92-12.20.0-12.20.0-22.20.0-2ubuntu12.20.1-12.20.2-0ubuntu0.18.04.12.20.3-0ubuntu0.18.04.12.20.5-0ubuntu0.18.04.12.22.2-0ubuntu0.18.04.12.22.2-0ubuntu0.18.04.2
2.22.4-0ubuntu0.18.04.1
qtwebkit-opensource-src
Ubuntu:18.04:LTS
 All versions, plus listed versions
5.9.1+dfsg-5ubuntu15.9.1+dfsg-5ubuntu35.212.0~alpha2-5build25.212.0~alpha2-5build45.212.0~alpha2-75.212.0~alpha2-7build25.212.0~alpha2-7ubuntu1
 None known
qtwebkit-source
Ubuntu:18.04:LTS
 All versions, plus listed versions
2.3.2-0ubuntu13
 None known
webkitgtk
Ubuntu:18.04:LTS
 All versions, plus listed versions
2.4.11-32.4.11-3ubuntu22.4.11-3ubuntu3
 None known
qtwebkit-opensource-src
Ubuntu:20.04:LTS
 All versions, plus listed versions
5.212.0~alpha3-35.212.0~alpha3-55.212.0~alpha3-65.212.0~alpha3-75.212.0~alpha4-15.212.0~alpha4-1ubuntu15.212.0~alpha4-1ubuntu25.212.0~alpha4-1ubuntu2.1
 None known
qtwebkit-opensource-src
Ubuntu:22.04:LTS
 All versions, plus listed versions
5.212.0~alpha4-125.212.0~alpha4-135.212.0~alpha4-145.212.0~alpha4-14build15.212.0~alpha4-14ubuntu25.212.0~alpha4-15ubuntu1
 None known
qtwebkit-opensource-src
Ubuntu:24.04:LTS
 All versions, plus listed versions
5.212.0~alpha4-335.212.0~alpha4-33build15.212.0~alpha4-345.212.0~alpha4-34ubuntu35.212.0~alpha4-34ubuntu45.212.0~alpha4-36
 None known
webkit2gtk
Ubuntu:18.04:LTS
From an advisory covering 3 CVEs
 before 2.22.4-0ubuntu0.18.04.1, plus listed versions
2.18.0-22.18.0-2build12.18.2-12.18.3-12.18.4-1
Show 12 moreShow less
2.18.6-12.19.91-1ubuntu12.19.92-12.20.0-12.20.0-22.20.0-2ubuntu12.20.1-12.20.2-0ubuntu0.18.04.12.20.3-0ubuntu0.18.04.12.20.5-0ubuntu0.18.04.12.22.2-0ubuntu0.18.04.12.22.2-0ubuntu0.18.04.2
2.22.4-0ubuntu0.18.04.1
webkit2gtk3
openSUSE:Leap 15.0
From an advisory covering 43 CVEs
 before 2.22.5-lp150.2.9.1
2.22.5-lp150.2.9.1

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBWebKit JSC - BytecodeGenerator::hoistSloppyModeFunctionIfNecessary Does not Invalidate the 'ForInContext' Object2018-11-29
Exploit-DBSony Playstation 4 (PS4) < 6.72 - WebKit Code Execution (PoC)2019-12-31
PoC in GitHuba0zhar/Bad_Hoist-WriteUp2025-07-03

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-4386 is a high vulnerability (CVSS 8.8) in Apple Icloud, published November 22, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.49%, the 93rd percentile. Fixed in webkit2gtk 2.22.3-1.

References

Show 71 moreShow less
Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open