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CVE-2016-4590

WebKit in Apple iOS before 9.3.3 and Safari before 9.1.2 mishandles about: URLs, which allows...

5.4 MediumFix available

WebKit in Apple iOS before 9.3.3 and Safari before 9.1.2 mishandles about: URLs, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.

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
Low
Integrity
Low
Availability
None

Exploit likelihood

1.46%Up 0.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.4

WebKit in Apple iOS before 9.3.3 and Safari before 9.1.2 mishandles about: URLs, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.

Record
CVE-2016-4590
CVSS 3.0
5.4 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

WebKit in Apple iOS before 9.3.3 and Safari before 9.1.2 mishandles about: URLs, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.

Record
CVE-2016-4590
Updated
2026-11-02
EUVDEUVD-2016-5576 No score

WebKit in Apple iOS before 9.3.3 and Safari before 9.1.2 mishandles about: URLs, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.

Record
EUVD-2016-5576
Updated
2026-11-03
GitHub AdvisoriesGHSA-x7h9-4jcm-r6qh 5.4

WebKit in Apple iOS before 9.3.3 and Safari before 9.1.2 mishandles about: URLs, which allows...

WebKit in Apple iOS before 9.3.3 and Safari before 9.1.2 mishandles about: URLs, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.

Record
GHSA-x7h9-4jcm-r6qh
CVSS 3.0
5.4 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Weakness
CWE-20
Updated
2026-11-02
OSVALPINE-CVE-2016-4590 5.4

WebKit in Apple iOS before 9.3.3 and Safari before 9.1.2 mishandles about: URLs, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.

Record
ALPINE-CVE-2016-4590
CVSS 3.0
5.4 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Updated
2026-11-03
OSV 5.4

WebKit in Apple iOS before 9.3.3 and Safari before 9.1.2 mishandles about: URLs, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.

Record
CVE-2016-4590
CVSS 3.0
5.4 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Updated
2026-11-02
Show 5 moreShow less
OSVDEBIAN-CVE-2016-4590 5.4

WebKit in Apple iOS before 9.3.3 and Safari before 9.1.2 mishandles about: URLs, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.

Record
DEBIAN-CVE-2016-4590
CVSS 3.0
5.4 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2016-4590 5.4

WebKit in Apple iOS before 9.3.3 and Safari before 9.1.2 mishandles about: URLs, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.

Record
UBUNTU-CVE-2016-4590
CVSS 3.0
5.4 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Updated
2026-11-02
OSVMGASA-2016-0294 No score

Updated webkit2 packages fix security vulnerability

The webkit2 package has been updated to version 2.12.4, fixing several security issues and other bugs.

Record
MGASA-2016-0294
Updated
2026-11-02
OSVopenSUSE-SU-2024:10572-1 No score

libjavascriptcoregtk-4_0-18-2.14.2-2.1 on GA media

These are all security issues fixed in the libjavascriptcoregtk-4_0-18-2.14.2-2.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10572-1
Updated
2026-11-02
OSVUSN-3079-1 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-3079-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
webkit2gtk
Alpine:v3.4
 before 2.12.5-r0
2.12.5-r0
webkit2gtk
Debian:12
 before 2.12.4-1
2.12.4-1
webkit2gtk
Debian:13
 before 2.12.4-1
2.12.4-1
webkit2gtk
Debian:14
 before 2.12.4-1
2.12.4-1
webkit2
Mageia:5
 before 2.12.4-1.mga5
2.12.4-1.mga5
webkit2gtk
Ubuntu:16.04:LTS
 before 2.12.5-0ubuntu0.16.04.1, plus listed versions
2.8.5+dfsg1-32.10.3+dfsg1-12.10.4+dfsg1-12.10.5-12.10.6-12.10.6-1ubuntu12.10.8-1ubuntu12.10.9-1ubuntu1
2.12.5-0ubuntu0.16.04.1
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
gtk3
openSUSE:Tumbleweed
 before 2.14.2-2.1
2.14.2-2.1

History

History
RecordedChangedSources
affected, aliases, referencesOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2016-4590 is a medium vulnerability (CVSS 5.4) in Apple Safari, published July 21, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.46%, the 73rd percentile. Fixed in webkit2gtk 2.12.5-r0.

References

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