CVE-2023-40399 json
The issue was addressed with improved memory handling.
published 2023-09-26 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-44970
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 25%
- public exploits
- 0
- none known
Summary
The issue was addressed with improved memory handling. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. An app may be able to disclose kernel memory.
Patch / fix
- Apple iOS and iPadOS 17
- Apple tvOS 17
- Apple macOS 14
- Apple watchOS 10
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
Affected products
- Apple iOS and iPadOS
- Apple tvOS
- Apple macOS
- Apple watchOS
References
-
support.apple.com
/en-us/HT213938
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT213936
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT213940
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT213937
release-notes, vendor-advisory
-
seclists.org
/fulldisclosure/2023/Oct/10
mailing-list, third-party-advisory
- seclists.org /fulldisclosure/2023/Oct/8
- seclists.org /fulldisclosure/2023/Oct/9
- seclists.org /fulldisclosure/2023/Oct/3
- support.apple.com /kb/HT213940
- support.apple.com /kb/HT213938
- support.apple.com /kb/HT213937
- support.apple.com /kb/HT213936
Sources
- CVE List CVE-2023-40399
- NVD CVE-2023-40399
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.