ACTIVELY EXPLOITED
CVE-2023-42916: Apple Multiple Products WebKit Out-of-Bounds Read Vulnerability
| Vendor | Apple |
|---|---|
| Product | Multiple Products |
| Actively exploited | Yes |
| Added to CISA KEV | 4 Dec 2023 |
| CISA federal deadline | 25 Dec 2023 |
| Weakness (CWE) | CWE-125 |
Required action (CISA's text)
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Description (NVD)
Apple iOS, iPadOS, macOS, and Safari WebKit contain an out-of-bounds read vulnerability that may disclose sensitive information when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.
SOURCES
Other Apple flaws
- CVE-2024-27834: Apple Multiple Products Improper Authentication Vulnerability
- CVE-2026-86950: Apple Multiple Products Out-of-Bounds Write Vulnerability
- CVE-2026-65400: Apple macOS Improper Authentication Vulnerability
- CVE-2025-43520: Apple Multiple Products Classic Buffer Overflow Vulnerability
- CVE-2025-43510: Apple Multiple Products Improper Locking Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.