⚠ Actively exploited
Added to CISA KEV on 2023-12-04. Federal agencies required to patch by 2023-12-25. Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable..
CVE-2023-42917 — Out-of-bounds Write in Apple IOS AND Ipados
Severity
8.8HIGHNVD
EPSS
0.1%
top 79.16%
CISA KEV
KEV
Added 2023-12-04
Due 2023-12-25
Exploit
Exploited in wild
Active exploitation observed
Affected products
Timeline
PublishedNov 30
KEV addedDec 4
KEV dueDec 25
Latest updateJul 15
CISA Required Action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9
Affected Packages8 packages
Also affects: Debian Linux 11.0, 12.0, Fedora 38, 39