CVE-2025-43355 json
A type confusion issue was addressed with improved memory handling.
published last yr. modified 22d ago also EUVD-2025-29295
- 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 14%
- public exploits
- 0
- none known
Summary
A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 18.7 and iPadOS 18.7, iOS 26 and iPadOS 26, macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. An app may be able to cause a denial-of-service.
Patch / fix
- Apple iOS and iPadOS 18.7, 26
- Apple macOS 14.8, 15.7, 26
- Apple tvOS 26
- Apple visionOS 26
- Apple watchOS 26
Is CVE-2025-43355 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-09).
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:N/I:N/A:H |
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
Affected products
- Apple iOS and iPadOS
- Apple macOS
- Apple tvOS
- Apple visionOS
- Apple watchOS
Classification
- Weakness
-
- CWE-843 Access of Resource Using Incompatible Type
References
-
support.apple.com
/en-us/125108
release-notes, vendor-advisory
-
support.apple.com
/en-us/125109
release-notes, vendor-advisory
-
support.apple.com
/en-us/125111
release-notes, vendor-advisory
-
support.apple.com
/en-us/125112
release-notes, vendor-advisory
-
support.apple.com
/en-us/125114
release-notes, vendor-advisory
-
support.apple.com
/en-us/125115
release-notes, vendor-advisory
-
support.apple.com
/en-us/125116
release-notes, vendor-advisory
- support.apple.com /en-us/125110
- seclists.org /fulldisclosure/2025/Sep/57
- seclists.org /fulldisclosure/2025/Sep/56
- seclists.org /fulldisclosure/2025/Sep/55
- seclists.org /fulldisclosure/2025/Sep/54
- seclists.org /fulldisclosure/2025/Sep/53
- seclists.org /fulldisclosure/2025/Sep/58
- seclists.org /fulldisclosure/2025/Sep/49
Sources
- CVE List CVE-2025-43355
- NVD CVE-2025-43355
Fencer Intel 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.