CVE-2023-27936 json
An out-of-bounds write issue was addressed with improved input validation.
published 2023-05-08 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-31662
- 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 17%
- public exploits
- 0
- none known
Summary
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Ventura 13.3, iOS 15.7.4 and iPadOS 15.7.4, macOS Monterey 12.6.4, macOS Big Sur 11.7.5. An app may be able to cause unexpected system termination or write kernel memory.
Patch / fix
- Apple macOS 11.7, 12.6, 13.3
- Apple iOS and iPadOS 15.7
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 21 mo ago
Exploit prediction
0.26% chance of exploitation in the next 30 days, higher than 17% 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 macOS
- Apple iOS and iPadOS
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
support.apple.com
/en-us/HT213670
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/HT213673
release-notes, vendor-advisory
Sources
- CVE List CVE-2023-27936
- NVD CVE-2023-27936
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.