CVE-2023-40446 json
The issue was addressed with improved memory handling.
published 2023-12-12 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-45017
- 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 18%
- public exploits
- 0
- none known
Summary
The issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.7.1, iOS 16.7.2 and iPadOS 16.7.2, iOS 17.1 and iPadOS 17.1. Processing maliciously crafted input may lead to arbitrary code execution in user-installed apps.
Patch / fix
- Apple iOS and iPadOS 16.7, 17.1
- Apple macOS 12.7
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
0.27% chance of exploitation in the next 30 days, higher than 18% 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/HT213981
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT213982
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT213983
release-notes, vendor-advisory
- support.apple.com /kb/HT213985
- support.apple.com /kb/HT213984
- support.apple.com /kb/HT213983
- support.apple.com /kb/HT213981
Sources
- CVE List CVE-2023-40446
- NVD CVE-2023-40446
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.