CVEvulnerability

CVE-2016-4657

8.8 HIGH Known exploited Published 2016-08-25 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Apple iOS Webkit Memory Corruption Vulnerability — Apple iOS

Apple iOS WebKit contains a memory corruption vulnerability that allows attackers to execute remote code or cause a denial-of-service (DoS) via a crafted web site. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

Added to KEV: 2022-05-24
Remediation due: 2022-06-14
Ransomware use: Unknown
Required action: Apply updates per vendor instructions.
Notes: https://nvd.nist.gov/vuln/detail/CVE-2016-4657

Status: Analyzed
Published: 2016-08-25
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected]): 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses: CWE-787

Description

WebKit in Apple iOS before 9.3.5 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.

Affected configurations

• apple iphone os (< 9.3.5)

Weakness · CWE (1)

CWE-787 Out-of-bounds Write weakness

References