CVE-2016-4587

medium
Published 2016-07-22 · Modified 2026-05-06
CVSS v3
6.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS v2
4.3
VIR risk
6.5

Description

WebKit in Apple iOS before 9.3.3 and tvOS before 9.2.2 allows remote attackers to obtain sensitive information from uninitialized process memory via a crafted web site.

Predictions

Exploit likelihood
75%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — https://support.apple.com/HT206905

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — https://support.apple.com/HT206902

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html

OS impact

OSVersionStatusFixed in
macos macosnot-affected9.3.3

Application impact

VendorProductVersionsFixed
macos applewebkit

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.