Description

A memory corruption vulnerability was addressed with improved locking. 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 lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited against versions of iOS before iOS 16.7.1.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
Apple	Safari	>= unspecified, < 17.1
Apple	macOS	>= unspecified, < 14.1
Apple	iOS and iPadOS	>= unspecified, < 17.1

References

http://seclists.org/fulldisclosure/2023/Dec/12Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2023/Dec/13Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2023/Dec/3Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2023/Dec/4Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2023/Dec/5Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2023/Dec/8Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2024/Jan/35Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/12/05/1Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AD2KIHHCUBQC2YYH3FJWAHI5BG3QETOH/Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P5LQS6VEI7VIZNC7QGQ62EOV45R5RJIR/Mailing List
https://security.gentoo.org/glsa/202401-04Third Party Advisory
https://support.apple.com/en-us/HT214031Vendor Advisory
https://support.apple.com/en-us/HT214032Vendor Advisory
https://support.apple.com/en-us/HT214033Vendor Advisory
https://support.apple.com/kb/HT214033Vendor Advisory
https://support.apple.com/kb/HT214034Vendor Advisory
https://support.apple.com/kb/HT214062Vendor Advisory
https://www.debian.org/security/2023/dsa-5575Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2023/Dec/12Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2023/Dec/13Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2023/Dec/3Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2023/Dec/4Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2023/Dec/5Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2023/Dec/8Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2024/Jan/35Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/12/05/1Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AD2KIHHCUBQC2YYH3FJWAHI5BG3QETOH/Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P5LQS6VEI7VIZNC7QGQ62EOV45R5RJIR/Mailing List
https://security.gentoo.org/glsa/202401-04Third Party Advisory
https://support.apple.com/en-us/HT214031Vendor Advisory
https://support.apple.com/en-us/HT214032Vendor Advisory
https://support.apple.com/en-us/HT214033Vendor Advisory
https://support.apple.com/kb/HT214033Vendor Advisory
https://support.apple.com/kb/HT214034Vendor Advisory
https://support.apple.com/kb/HT214062Vendor Advisory
https://www.debian.org/security/2023/dsa-5575Mailing List, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-42917US Government Resource

Timeline

Published: Nov 30, 2023
Last modified: Jun 17, 2026
Added to CISA KEV: Dec 4, 2023
NVD status: Analyzed