CVE catalog
CVE-2026-43656
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, mac
- Severity
- High · CVSS 7.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.27% · Oct 25, 2026
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Parsing a maliciously crafted file may lead to an unexpected app termination.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | ipados | Not reported | 18.7.9 | fixed |
| Cpe | ipados | Not reported | 26.5 | fixed |
| Cpe | iphone_os | Not reported | 18.7.9 | fixed |
| Cpe | iphone_os | Not reported | 26.5 | fixed |
| Cpe | macos | Not reported | 14.8.7 | fixed |
| Cpe | macos | Not reported | 15.7.7 | fixed |
| Cpe | macos | Not reported | 26.5 | fixed |
| Cpe | ipados | Not reported | 26.5 | fixed |
| Cpe | iphone_os | Not reported | 26.5 | fixed |
| Cpe | macos | Not reported | 26.5 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | ipados | cpe | Not reported | 18.7.9 | Not reported | Not reported | Not reported |
| Cpe | ipados | cpe | Not reported | 26.5 | Not reported | Not reported | Not reported |
| Cpe | iphone_os | cpe | Not reported | 18.7.9 | Not reported | Not reported | Not reported |
| Cpe | iphone_os | cpe | Not reported | 26.5 | Not reported | Not reported | Not reported |
| Cpe | macos | cpe | Not reported | 14.8.7 | Not reported | Not reported | Not reported |
| Cpe | macos | cpe | Not reported | 15.7.7 | Not reported | Not reported | Not reported |
| Cpe | macos | cpe | Not reported | 26.5 | Not reported | Not reported | Not reported |
| Cpe | ipados | cpe | Not reported | 26.5 | Not reported | NVD-CVE-2026-43656 | Not reported |
| Cpe | iphone_os | cpe | Not reported | 26.5 | Not reported | NVD-CVE-2026-43656 | Not reported |
| Cpe | macos | cpe | Not reported | 26.5 | Not reported | NVD-CVE-2026-43656 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-43656]
- [https://support.apple.com/en-us/127110]
- [https://support.apple.com/en-us/127111]
- [https://support.apple.com/en-us/127115]
- [https://support.apple.com/en-us/127116]
- [https://support.apple.com/en-us/127117]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1463.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)]