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CVE-2018-4192

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11...

7.5 HighPublic exploitFix available

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code via a crafted web site that leverages a race condition.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

12.0%Down 15.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code via a crafted web site that leverages a race condition.

Record
CVE-2018-4192
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
5.1 MediumAV:N/AC:H/Au:N/C:P/I:P/A:P
Weakness
CWE-362
Updated
2026-11-02
CVE List No score

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code via a crafted web site that leverages a race condition.

Record
CVE-2018-4192
Updated
2026-11-02
EUVDEUVD-2018-15978 No score

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code via a crafted web site that leverages a race condition.

Record
EUVD-2018-15978
Updated
2026-11-03
GitHub AdvisoriesGHSA-x9pg-hrp7-33qj 7.5

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11...

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code via a crafted web site that leverages a race condition.

Record
GHSA-x9pg-hrp7-33qj
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-362
Updated
2026-11-02
OSV 7.5

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code via a crafted web site that leverages a race condition.

Record
CVE-2018-4192
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-4192 7.5

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code via a crafted web site that leverages a race condition.

Record
DEBIAN-CVE-2018-4192
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2018-4192 7.5

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code via a crafted web site that leverages a race condition.

Record
UBUNTU-CVE-2018-4192
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
webkit2gtk
Debian:12
 before 2.20.1-1
2.20.1-1
webkit2gtk
Debian:13
 before 2.20.1-1
2.20.1-1
webkit2gtk
Debian:14
 before 2.20.1-1
2.20.1-1
webkit2gtk
Ubuntu:16.04:LTS
 before 2.20.1-0ubuntu0.16.04.1, plus listed versions
2.8.5+dfsg1-32.10.3+dfsg1-12.10.4+dfsg1-12.10.5-12.10.6-1
Show 17 moreShow less
2.10.6-1ubuntu12.10.8-1ubuntu12.10.9-1ubuntu12.12.5-0ubuntu0.16.04.12.14.2-0ubuntu0.16.04.12.14.3-0ubuntu0.16.04.12.14.5-0ubuntu0.16.04.12.16.1-0ubuntu0.16.04.12.16.1-0ubuntu0.16.04.22.16.2-0ubuntu0.16.04.12.16.3-0ubuntu0.16.04.12.16.6-0ubuntu0.16.04.12.18.0-0ubuntu0.16.04.22.18.3-0ubuntu0.16.04.12.18.4-0ubuntu0.16.04.12.18.5-0ubuntu0.16.04.12.18.6-0ubuntu0.16.04.1
2.20.1-0ubuntu0.16.04.1
qtwebkit-opensource-src
Ubuntu:16.04:LTS
 All versions, plus listed versions
5.4.2+dfsg-1ubuntu2.15.5.1+dfsg-2ubuntu1
 None known
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
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

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBJavaScript Core - Arbitrary Code Execution2018-07-11

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD, OSV

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

In short

CVE-2018-4192 is a high vulnerability (CVSS 7.5) in Apple Icloud, published June 8, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 12.0%, the 96th percentile. Fixed in webkit2gtk 2.20.1-1.

References

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