KEV · Actively exploited
CVE-2023-42917
HIGH 8.8
KEV
A memory corruption vulnerability was addressed with improved locking. This issue is fixed in iOS 17.1.2 and iPadOS 17.1.2, macOS Sonoma 14.1.2, Safari 17.1.2. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited against versions of iOS before iOS 16.7.1.
Attack vector : Network
No privileges required
Show raw CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
9.37%
above median
percentile 94.9%
CISA Known Exploited Vulnerability
- Added to KEV
- 2023-12-04
- Remediation deadline
- 2023-12-25
- Required action
- Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
- Ransomware
- Unknown (not documented by CISA)
OS versions that fix this CVE
This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.