CVE-2023-27956 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-2023-31682
- cvss
- 5.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.3, iOS 16.4 and iPadOS 16.4, iOS 15.7.4 and iPadOS 15.7.4, tvOS 16.4, watchOS 9.4. Processing a maliciously crafted image may result in disclosure of process memory.
Patch / fix
- Apple macOS 13.3
- Apple iOS and iPadOS 15.7, 16.4
- Apple watchOS 9.4
- Apple tvOS 16.4
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 21 mo ago
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| CNA | 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 macOS
- Apple iOS and iPadOS
- Apple watchOS
- Apple tvOS
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
support.apple.com
/en-us/HT213670
vendor-advisory
-
support.apple.com
/en-us/HT213676
vendor-advisory
-
support.apple.com
/en-us/HT213678
vendor-advisory
-
support.apple.com
/en-us/HT213674
vendor-advisory
-
support.apple.com
/en-us/HT213673
vendor-advisory
Sources
- CVE List CVE-2023-27956
- NVD CVE-2023-27956
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.