Apple Multiple Products WebKit Out-of-Bounds Read Vulnerability (CVE-2023-42916)
Severity: medium · Patch status: unknown · Since 2023-12-04 · CVE-2023-42916
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. CISA added CVE-2023-42916 to its Known Exploited Vulnerabilities catalog on Dec 4, 2023, which means attackers are exploiting it in the wild.
What to do
- Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
- US federal agencies must remediate by Dec 25, 2023 (BOD 22-01); treat that as the outer limit.
Sources
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