CVE-2016-4657 is a critical memory corruption vulnerability in WebKit affecting Apple iOS before version 9.3.5, allowing remote attackers to execute arbitrary code or cause a denial of service via a crafted website. With a CVSS score of 8.8 (HIGH), it has a low attack complexity and requires user interaction (visiting a malicious site) but can lead to complete compromise of confidentiality, integrity, and availability. This vulnerability is actively exploited in the wild, notably as part of the Trident exploit chain, and has publicly available exploit modules in Metasploit and PoCs on ExploitDB. It has garnered significant community discussion and media coverage, highlighting its severe impact and the urgency of patching.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 9.3.5CPE matchmatch criteria | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.