CVE-2023-42916: Apple Multiple Products WebKit Out-of-Bounds Read Vulnerability
An out-of-bounds read was addressed with improved input validation. 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 disclose sensitive information. Apple is aware of a report that this issue may have been exploited against versions of iOS before iOS 16.7.1.
Published Nov 30, 2023 · Updated Jun 17, 2026
Required action
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Advisory details
From the National Vulnerability Database. This product uses the NVD API but is not endorsed or certified by the NVD.
An out-of-bounds read was addressed with improved input validation. 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 disclose sensitive information. Apple is aware of a report that this issue may have been exploited against versions of iOS before iOS 16.7.1.
References
- https://lists.fedoraproject.org/archives/list/[email protected]/message/AD2KIHHCUBQC2YYH3FJWAHI5BG3QETOH/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/P5LQS6VEI7VIZNC7QGQ62EOV45R5RJIR/
- https://security.gentoo.org/glsa/202401-04
- https://support.apple.com/en-us/HT214031
- https://support.apple.com/en-us/HT214032
- https://support.apple.com/en-us/HT214033
- https://support.apple.com/kb/HT214033
- https://support.apple.com/kb/HT214034
- https://support.apple.com/kb/HT214062
- https://www.debian.org/security/2023/dsa-5575
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-42916
How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology
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