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CVE-2016-4592

22
FAUCET Score

CVE-2016-4592 is a denial-of-service vulnerability affecting WebKit in Apple iOS, Safari, and tvOS. A remote attacker can exploit this by crafting a malicious website, leading to excessive memory consumption and system instability. With a CVSS score of 6.5 (Medium), it requires user interaction (visiting a malicious site) but has low attack complexity, potentially causing high availability impact. There is no known active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:apple:webkit:-:*:*:*:*:*:*:*
< 2.10.5CPE matchmatch criteria
cpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.23%
Probability of exploitation in next 30 days
EPSS Percentile
80.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0223 is in the 91st percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

lists.apple.com / archives/security-announce/2016/Jul/msg00001.html
Mailing ListVendor Advisory
lists.apple.com / archives/security-announce/2016/Jul/msg00003.html
Mailing ListVendor Advisory
lists.apple.com / archives/security-announce/2016/Jul/msg00004.html
Mailing ListVendor Advisory
packetstormsecurity.com / files/138502/WebKitGTK-SOP-Bypass-Information-Disclosure.html
Third Party AdvisoryVDB Entry
support.apple.com / HT206900
Vendor Advisory
support.apple.com / HT206902
Vendor Advisory
support.apple.com / HT206905
Vendor Advisory
securityfocus.com / archive/1/539295/100/0/threaded
Third Party AdvisoryVDB Entry
securityfocus.com / bid/91830
Third Party AdvisoryVDB Entry
securitytracker.com / id/1036343
Third Party AdvisoryVDB Entry