CVEvulnerability

CVE-2023-41993

8.8 HIGH Known exploited Published 2023-09-21 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Apple Multiple Products WebKit Code Execution Vulnerability — Apple Multiple Products

Apple iOS, iPadOS, macOS, and Safari WebKit contain an unspecified vulnerability that leads to code execution when processing maliciously crafted web content. 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: 2023-09-25
Remediation due: 2023-10-16
Ransomware use: Unknown
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes: https://support.apple.com/en-us/HT213926, https://support.apple.com/en-us/HT213927, https://support.apple.com/en-us/HT213930; https://nvd.nist.gov/vuln/detail/CVE-2023-41993

Status: Analyzed
Published: 2023-09-21
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
Weaknesses: CWE-754

Description

The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.

Affected configurations

• apple ipados (< 17.0.1) • apple iphone os (< 17.0.1) • apple macos (< 14.0) • fedoraproject fedora 37 • fedoraproject fedora 38 • fedoraproject fedora 39 • debian debian linux 11.0 • debian debian linux 12.0 • oracle graalvm 20.3.13 • oracle graalvm 21.3.9 • oracle jdk 1.8.0 • oracle jre 1.8.0 • netapp active iq unified manager • netapp cloud insights acquisition unit • netapp cloud insights storage workload security agent • netapp oncommand insight • netapp oncommand workflow automation • webkitgtk webkitgtk\+ (< 2.42.2)

Weakness · CWE (1)

CWE-754 Improper Check for Unusual or Exceptional Conditions weakness

References