CVE Tools
Sign in

CVE-2023-42917

Published: Nov 30, 2023Updated: Oct 23, 2025 Sources: CVE List NVD BDUCWE-787
8.8HIGH
NVD MITRE
EPSS Score
9.4%
Top 5.2%
CISA KEV
Active Exploitation
Since Dec 4, 2023
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

A memory corruption vulnerability was addressed with improved locking. This issue is fixed in iOS 17.1.2 and iPadOS 17.1.2, macOS Sonoma 14.1.2, Safari 17.1.2. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited against versions of iOS before iOS 16.7.1.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

Apple Inc.
commercial·USaka apple, apple computer
SafariOn-premDesktop App
Consumer Software / browser
iPadOSEmbeddedOS
Operating Systems / mobile-os
iOS and iPadOSEmbeddedOS
Operating Systems / mobile-os
MacOSOn-premOS
Operating Systems / unix-bsd
debian
oss-project·GBaka debian gnu/linux
debian linuxOn-premOS
Operating Systems / linux-distro
fedoraproject
oss-project·USaka fedora project
fedoraOn-premOS
Operating Systems / linux-distro
webkitgtk
oss-projectaka webkit2gtk3, webkitgtk+, webkit2gtk
webkitgtk\+LibraryLibrary
Consumer Software
АО «НППКТ»
commercial·RU
ОСОН ОСнова ОnyxOn-premOS
Operating Systems / linux-distro
and 7 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Dec 4, 2023
Remediation due:Dec 25, 2023

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Official Patch Available
Is your org exposed to CVE-2023-42917?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

http://seclists.org/fulldisclosure/2023/Dec/12
seclists.org
http://seclists.org/fulldisclosure/2023/Dec/13
seclists.org
http://seclists.org/fulldisclosure/2023/Dec/3
seclists.org
and 19 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2023-42917 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows