Medium severity6.5NVD Advisory· Published Sep 27, 2023· Updated Jun 17, 2026
CVE-2023-40420
CVE-2023-40420
Description
The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.6, tvOS 17, iOS 16.7 and iPadOS 16.7, macOS Monterey 12.7, watchOS 10, iOS 17 and iPadOS 17, macOS Sonoma 14. Processing web content may lead to a denial-of-service.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7Ventura 13.6, Monterey 12.7, Sonoma 14+ 1 more
- (no CPE)range: Ventura 13.6, Monterey 12.7, Sonoma 14
- (no CPE)range: unspecified
- Range: 16.7, 17
- Range: 16.7, 17
- Range: unspecified
- Range: unspecified
- Range: unspecified
Patches
Vulnerability mechanics
References
20- seclists.org/fulldisclosure/2023/Oct/10nvdMailing ListThird Party Advisory
- seclists.org/fulldisclosure/2023/Oct/5nvdMailing ListThird Party Advisory
- support.apple.com/en-us/HT213927nvdRelease NotesVendor Advisory
- support.apple.com/en-us/HT213931nvdRelease NotesVendor Advisory
- support.apple.com/en-us/HT213932nvdRelease NotesVendor Advisory
- support.apple.com/en-us/HT213936nvdRelease NotesVendor Advisory
- support.apple.com/en-us/HT213937nvdRelease NotesVendor Advisory
- support.apple.com/en-us/HT213938nvdRelease NotesVendor Advisory
- support.apple.com/en-us/HT213940nvdRelease NotesVendor Advisory
- seclists.org/fulldisclosure/2023/Oct/3nvd
- seclists.org/fulldisclosure/2023/Oct/4nvd
- seclists.org/fulldisclosure/2023/Oct/6nvd
- seclists.org/fulldisclosure/2023/Oct/8nvd
- seclists.org/fulldisclosure/2023/Oct/9nvd
- support.apple.com/kb/HT213931nvd
- support.apple.com/kb/HT213932nvd
- support.apple.com/kb/HT213936nvd
- support.apple.com/kb/HT213937nvd
- support.apple.com/kb/HT213938nvd
- support.apple.com/kb/HT213940nvd
News mentions
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