CVE-2023-42886 json
An out-of-bounds read was addressed with improved bounds checking.
published 2023-12-12 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-47307
- cvss
- 7.8
- 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 22%
- public exploits
- 0
- none known
Summary
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sonoma 14.2, macOS Ventura 13.6.3, macOS Monterey 12.7.2. A user may be able to cause unexpected app termination or arbitrary code execution.
Patch / fix
- Apple macOS 12.7, 13.6, 14.2
Exploit prediction
0.30% 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 |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Apple macOS
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
support.apple.com
/en-us/HT214038
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT214037
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT214036
release-notes, vendor-advisory
-
seclists.org
/fulldisclosure/2023/Dec/9
mailing-list
-
seclists.org
/fulldisclosure/2023/Dec/10
mailing-list, third-party-advisory
-
seclists.org
/fulldisclosure/2023/Dec/11
mailing-list, third-party-advisory
- support.apple.com /kb/HT214038
- support.apple.com /kb/HT214037
- support.apple.com /kb/HT214036
Sources
- CVE List CVE-2023-42886
- NVD CVE-2023-42886
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.