CVE-2024-40854
A memory initialization issue was addressed with improved memory handling.
Does this matter?
Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own.
Description
A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 17.7.1 and iPadOS 17.7.1, iOS 18.1 and iPadOS 18.1, macOS Sequoia 15.1, macOS Sonoma 14.7.1, macOS Ventura 13.7.1. An app may be able to cause unexpected system termination.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.40% probability · 34th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- apple/ipados · apple/iphone os · apple/macos
- Source
- product-security@apple.com
EPSS 0.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://support.apple.com/en-us/121563Release Notes, Vendor Advisory
- https://support.apple.com/en-us/121564
- https://support.apple.com/en-us/121567Release Notes, Vendor Advisory
- https://support.apple.com/en-us/121568Release Notes, Vendor Advisory
- https://support.apple.com/en-us/121570Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.