CVE-2023-43000

CVE Enrichment

CVSS: 8.8 HIGH
EPSS: 4.04%
EPSS Percentile: 90.37%
CISA KEV: YES — Known Exploited Vulnerability

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: product-security@apple.com
Published: 06-Nov-2025 02:15
Last Modified: 22-Sep-2026 01:17
EPSS Date: 2026-10-10
CWE: CWE-416

CVSS Vector


            CVSS:3.1                            AV:N /
                            AC:L /
                            PR:N /
                            UI:R /
                            S:U /
                            C:H /
                            I:H /
                            A:H

CISA KEV Details

Date Added: 2026-03-05
Remediation Due: 2026-03-26
Known Ransomware Campaign Use: Unknown
Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes: https://support.apple.com/en-us/120324 ; https://support.apple.com/en-us/120331 ; https://support.apple.com/en-us/120338 ; https://nvd.nist.gov/vuln/detail/CVE-2023-43000

Affected Products / Versions

apple / safari
Version / affected range: * · before (exclusive) 16.6
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
apple / ipados
Version / affected range: * · before (exclusive) 15.8.7
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple / ipados
Version / affected range: * · from (inclusive) 16.0 · before (exclusive) 16.6
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple / iphone_os
Version / affected range: * · before (exclusive) 15.8.7
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple / iphone_os
Version / affected range: * · from (inclusive) 16.0 · before (exclusive) 16.6
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple / macos
Version / affected range: * · before (exclusive) 13.5
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

References

Last enrichment sync: 11-Oct-2026 16:03
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

iOS 16.2–16.5 (KeCRDQ) — Coruna terrorbird (CVE-2023-43000, fixed 16.6) Compromised npm Package Delivered Coruna-Like iOS Exploit Framework

CVE (3)

Malware (4)

People (1)

Threat Actors (1)

MITRE ATT&CK (9)

Products (4)

Tools (11)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.