{"cve":"CVE-2023-42917","nvd":{"published":"2023-11-30T23:15:07.280","modified":"2026-06-17T06:24:49.733","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-787"],"references":["http://seclists.org/fulldisclosure/2023/Dec/12","http://seclists.org/fulldisclosure/2023/Dec/13","http://seclists.org/fulldisclosure/2023/Dec/3","http://seclists.org/fulldisclosure/2023/Dec/4","http://seclists.org/fulldisclosure/2023/Dec/5"],"products":["apple:ipados","apple:iphone_os","apple:macos","apple:safari","debian:debian_linux","fedoraproject:fedora","webkitgtk:webkitgtk\\+"],"source":"nvd","synced_at":"2026-10-19T21:42:07.670898610+00:00"},"epss":{"cve":"CVE-2023-42917","score":0.09295,"percentile":0.95369,"date":"2026-11-01"},"kev":{"cve":"CVE-2023-42917","date_added":"2023-12-04","due_date":"2023-12-25","vendor":"Apple","product":"Multiple Products","known_ransomware":false},"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}