CVE-2022-42856
Apple tvOS
Published 15 Dec 2022 · updated 17 Jun 2026 · Analyzed
8.8 High · CVSS 3.1, NVD
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 14 Dec 2022, with a remediation deadline of 4 Jan 2023 for US federal agencies.
Required action: Apply updates per vendor instructions.
Description
A type confusion issue was addressed with improved state handling. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.1.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.1..
References
- seclists.org/fulldisclosure/2022/Dec/21 · Mailing List, Third Party Advisory
- seclists.org/fulldisclosure/2022/Dec/22 · Mailing List, Third Party Advisory
- seclists.org/fulldisclosure/2022/Dec/23 · Mailing List, Third Party Advisory
- seclists.org/fulldisclosure/2022/Dec/26 · Mailing List, Third Party Advisory
- seclists.org/fulldisclosure/2022/Dec/28 · Mailing List, Third Party Advisory
- www.openwall.com/lists/oss-security/2022/12/26/1 · Mailing List, Third Party Advisory
- security.gentoo.org/glsa/202305-32 · Third Party Advisory
- support.apple.com/en-us/HT213516 · Release Notes, Vendor Advisory
- support.apple.com/en-us/HT213531 · Release Notes, Vendor Advisory
- support.apple.com/en-us/HT213532 · Release Notes, Vendor Advisory
- support.apple.com/en-us/HT213535 · Release Notes, Vendor Advisory
- support.apple.com/en-us/HT213537 · Release Notes, Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-42856 · US Government Resource