CVE-2023-40447 json
The issue was addressed with improved memory handling.
published 2023-10-25 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-45018
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
The issue was addressed with improved memory handling. This issue is fixed in iOS 17.1 and iPadOS 17.1, watchOS 10.1, iOS 16.7.2 and iPadOS 16.7.2, macOS Sonoma 14.1, Safari 17.1, tvOS 17.1. Processing web content may lead to arbitrary code execution.
Patch / fix
- Apple iOS and iPadOS 16.7, 17.1
- Apple Safari 17.1
- Apple tvOS 17.1
- Apple macOS 14.1
- Apple watchOS 10.1
Exploit prediction
1.67% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Apple iOS and iPadOS
- Apple Safari
- Apple tvOS
- Apple macOS
- Apple watchOS
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
support.apple.com
/en-us/HT213981
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT213986
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT213987
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT213984
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT213988
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT213982
release-notes, vendor-advisory
- support.apple.com /kb/HT213984
-
seclists.org
/fulldisclosure/2023/Oct/23
mailing-list, third-party-advisory
-
seclists.org
/fulldisclosure/2023/Oct/22
mailing-list, third-party-advisory
-
seclists.org
/fulldisclosure/2023/Oct/19
mailing-list, third-party-advisory
-
seclists.org
/fulldisclosure/2023/Oct/27
mailing-list, third-party-advisory
-
seclists.org
/fulldisclosure/2023/Oct/24
mailing-list, third-party-advisory
-
seclists.org
/fulldisclosure/2023/Oct/25
mailing-list, third-party-advisory
Sources
- CVE List CVE-2023-40447
- NVD CVE-2023-40447
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.