CVE-2022-42823

Name: CVE-2022-42823
Creator: NVD / NIST
Published: 2022-11-01T20:15:24.087+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.41%

Last modified Jun 17, 2026

CVE-2022-42823 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A type confusion issue was addressed with improved memory handling. This issue is fixed in tvOS 16.1, macOS Ventura 13, watchOS 9.1, Safari 16.1, iOS 16.1 and iPadOS 16. EPSS estimates a 1.41% chance of exploitation in the next 30 days.

Description

A type confusion issue was addressed with improved memory handling. This issue is fixed in tvOS 16.1, macOS Ventura 13, watchOS 9.1, Safari 16.1, iOS 16.1 and iPadOS 16. Processing maliciously crafted web content may lead to arbitrary code execution.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.41%

69.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apple	Safari	< 16.1
Apple	Ipados	< 16.0
Apple	Iphone Os	< 16.1
Apple	Macos	< 13.0
Apple	Tvos	< 16.1
Apple	Watchos	< 9.1
Fedoraproject	Fedora	35
Fedoraproject	Fedora	36
Fedoraproject	Fedora	37
Debian	Debian Linux	10.0
Debian	Debian Linux	11.0

References

http://www.openwall.com/lists/oss-security/2022/11/04/4Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00010.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LF4LYP725XZ7RWOPFUV6DGPN4Q5DUU4/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AQKLEGJK3LHAKUQOLBHNR2DI3IUGLLTY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JOFKX6BUEJFECSVFV6P5INQCOYQBB4NZ/
https://security.gentoo.org/glsa/202305-32
https://support.apple.com/en-us/HT213488Vendor Advisory
https://support.apple.com/en-us/HT213489Vendor Advisory
https://support.apple.com/en-us/HT213491Vendor Advisory
https://support.apple.com/en-us/HT213492Vendor Advisory
https://support.apple.com/en-us/HT213495Vendor Advisory
https://www.debian.org/security/2022/dsa-5273Third Party Advisory
https://www.debian.org/security/2022/dsa-5274Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/11/04/4Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00010.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LF4LYP725XZ7RWOPFUV6DGPN4Q5DUU4/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AQKLEGJK3LHAKUQOLBHNR2DI3IUGLLTY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JOFKX6BUEJFECSVFV6P5INQCOYQBB4NZ/
https://security.gentoo.org/glsa/202305-32
https://support.apple.com/en-us/HT213488Vendor Advisory
https://support.apple.com/en-us/HT213489Vendor Advisory
https://support.apple.com/en-us/HT213491Vendor Advisory
https://support.apple.com/en-us/HT213492Vendor Advisory
https://support.apple.com/en-us/HT213495Vendor Advisory
https://www.debian.org/security/2022/dsa-5273Third Party Advisory
https://www.debian.org/security/2022/dsa-5274Third Party Advisory

Timeline

Published: Nov 1, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-42823?

How severe is CVE-2022-42823?

CVE-2022-42823 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.41% probability of exploitation in the next 30 days.

How do I fix CVE-2022-42823?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-42823?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST