CVE-2023-23540 json
The issue was addressed with improved memory handling.
published 2023-05-08 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-27640
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
Summary
The issue was addressed with improved memory handling. This issue is fixed in iOS 15.7.8 and iPadOS 15.7.8, macOS Monterey 12.6.4, iOS 16.4 and iPadOS 16.4, macOS Big Sur 11.7.5. An app may be able to execute arbitrary code with kernel privileges.
Patch / fix
- Apple iOS and iPadOS 15.7, 16.4
- Apple macOS 11.7, 12.6
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 21 mo ago
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Apple iOS and iPadOS
- Apple macOS
References
-
support.apple.com
/en-us/HT213676
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT213677
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT213675
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT213842
release-notes, vendor-advisory
Sources
- CVE List CVE-2023-23540
- NVD CVE-2023-23540
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