CVE-2016-4591
WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 mishandles the...
WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 mishandles the location variable, which allows remote attackers to access the local filesystem via unspecified vectors.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
7.5
WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 mishandles the location variable, which allows remote attackers to access the local filesystem via unspecified vectors.
- Record
CVE-2016-4591- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:C/I:N/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
CVE List No score
WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 mishandles the location variable, which allows remote attackers to access the local filesystem via unspecified vectors.
- Record
CVE-2016-4591- Updated
- 2026-11-02
EUVDEUVD-2016-5577 No score
WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 mishandles the location variable, which allows remote attackers to access the local filesystem via unspecified vectors.
- Record
EUVD-2016-5577- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-528c-rrj8-7mch
7.5
WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 mishandles the...
WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 mishandles the location variable, which allows remote attackers to access the local filesystem via unspecified vectors.
- Record
GHSA-528c-rrj8-7mch- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
OSV
7.5
WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 mishandles the location variable, which allows remote attackers to access the local filesystem via unspecified vectors.
- Record
CVE-2016-4591- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2016-4591
7.5
WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 mishandles the location variable, which allows remote attackers to access the local filesystem via unspecified vectors.
- Record
DEBIAN-CVE-2016-4591- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Show 4 moreShow less
OSVUBUNTU-CVE-2016-4591
7.5
WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 mishandles the location variable, which allows remote attackers to access the local filesystem via unspecified vectors.
- Record
UBUNTU-CVE-2016-4591- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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
| Package | Affected | Fixed |
|---|---|---|
webkit2gtkDebian:12 |
before 2.12.4-1 | 2.12.4-1 |
webkit2gtkDebian:13 |
before 2.12.4-1 | 2.12.4-1 |
webkit2gtkDebian:14 |
before 2.12.4-1 | 2.12.4-1 |
webkit2Mageia:5 From an advisory covering 9 CVEs |
before 2.12.4-1.mga5 | 2.12.4-1.mga5 |
webkit2gtkUbuntu: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-srcUbuntu:16.04:LTS |
All versions, plus listed versions 5.4.2+dfsg-1ubuntu2.15.5.1+dfsg-2ubuntu1 |
None known |
qtwebkit-sourceUbuntu:16.04:LTS |
All versions, plus listed versions 2.3.2-0ubuntu102.3.2-0ubuntu11 |
None known |
webkitgtkUbuntu:16.04:LTS |
All versions, plus listed versions 2.4.9-2ubuntu22.4.10-0ubuntu12.4.11-0ubuntu0.1 |
None known |
webkit2gtkUbuntu:16.04:LTS From an advisory covering 16 CVEs |
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 |
gtk3openSUSE:Tumbleweed From an advisory covering 6 CVEs |
before 2.14.2-2.1 | 2.14.2-2.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-4591 is a high vulnerability (CVSS 7.5) in Apple Webkit, published July 21, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.26%, the 91st percentile. Fixed in webkit2gtk 2.12.4-1.
References
lists.apple.com/archives/security-announce/2016/Jul/msg00003.html
lists.apple.com/archives/security-announce/2016/Jul/msg00001.html
securityfocus.com/bid/91830
support.apple.com/HT206900
securitytracker.com/id/1036343
packetstormsecurity.com/files/138502/WebKitGTK-SOP-Bypass-Information-Disclosure.html
Show 40 moreShow less
securityfocus.com/archive/1/539295/100/0/threaded
support.apple.com/HT206905
support.apple.com/HT206902
lists.apple.com/archives/security-announce/2016/Jul/msg00004.html
nvd.nist.gov/vuln/detail/CVE-2016-4591
github.com/advisories/GHSA-528c-rrj8-7mch
security-tracker.debian.org/tracker/CVE-2016-4591
advisories.mageia.org/MGASA-2016-0294.html
bugs.mageia.org/show_bug.cgi?id=18597
webkitgtk.org/security/WSA-2016-0004.html
webkitgtk.org/security/WSA-2016-0005.html
webkitgtk.org/2016/03/22/webkitgtk2.12.0-released.html
webkitgtk.org/2016/04/14/webkitgtk2.12.1-released.html
webkitgtk.org/2016/04/28/webkitgtk2.12.2-released.html
webkitgtk.org/2016/05/24/webkitgtk2.12.3-released.html
webkitgtk.org/2016/05/24/webkitgtk2.12.4-released.html
ubuntu.com/security/CVE-2016-4591
ubuntu.com/security/notices/USN-3079-1
cve.org/CVERecord?id=CVE-2016-4591
ubuntu.com/security/CVE-2016-1854
ubuntu.com/security/CVE-2016-1856
ubuntu.com/security/CVE-2016-1857
ubuntu.com/security/CVE-2016-1858
ubuntu.com/security/CVE-2016-1859
ubuntu.com/security/CVE-2016-4583
ubuntu.com/security/CVE-2016-4585
ubuntu.com/security/CVE-2016-4586
ubuntu.com/security/CVE-2016-4588
ubuntu.com/security/CVE-2016-4589
ubuntu.com/security/CVE-2016-4590
ubuntu.com/security/CVE-2016-4622
ubuntu.com/security/CVE-2016-4623
ubuntu.com/security/CVE-2016-4624
ubuntu.com/security/CVE-2016-4651
suse.com/security/cve/CVE-2016-1856
suse.com/security/cve/CVE-2016-1857
suse.com/security/cve/CVE-2016-4590
suse.com/security/cve/CVE-2016-4591
suse.com/security/cve/CVE-2016-4622
suse.com/security/cve/CVE-2016-4624