01 Record
CVE-2023-40447
The issue was addressed with improved memory handling. This issue is fixed in iOS 17.1 and iPadOS 17.1, watchOS 10.1, iOS 16.7.2 and iPadOS 16.7.2, macOS Sonoma 14.1, Safari 17.1, tvOS 17.1.
UnratedPUBLISHEDCNA: apple
CNA base scoreUnratedNo CNA CVSS vector
02 Description
The issue was addressed with improved memory handling. This issue is fixed in iOS 17.1 and iPadOS 17.1, watchOS 10.1, iOS 16.7.2 and iPadOS 16.7.2, macOS Sonoma 14.1, Safari 17.1, tvOS 17.1.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.66% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 76.6% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-10-25 18:31Z3 YR AGO
- Last updated
- 2025-02-13 17:08Z1 YR AGO
- Reserved
- 2023-08-14
- Assigning CNA
- apple
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- 46d0fae6e6689cc0ba9d66005aa1d7d9513e8837d01d532a111cf2c1925f669d
05 Affected products
VendorProductVersionsPlatforms
06 References
- support.apple.comhttps://support.apple.com/en-us/HT213981
- support.apple.comhttps://support.apple.com/en-us/HT213986
- support.apple.comhttps://support.apple.com/en-us/HT213987
- support.apple.comhttps://support.apple.com/en-us/HT213984
- support.apple.comhttps://support.apple.com/en-us/HT213988
- support.apple.comhttps://support.apple.com/en-us/HT213982
- support.apple.comhttps://support.apple.com/kb/HT213984
- seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/23
- seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/22
- seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/19
- seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/27
- seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/24
- seclists.orghttp://seclists.org/fulldisclosure/2023/Oct/25