A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1. A malicious application may be able to execute arbitrary code with system privileges.
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Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-06-27), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 retained for reference. Confidence: HIGH.
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1. A malicious application may be able to execute arbitrary code with system privileges.
December 18, 2019
October 23, 2025
Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-8605MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Working exploit code is in the public domain (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
iOS < 12.4.1 - 'Jailbreak' Local Privilege Escalation
Open source ↗Apple macOS < 10.14.5 / iOS < 12.3 XNU - 'in6_pcbdetach' Stale Pointer Use-After-Free
Open source ↗See which npm, PyPI, Go, and Maven packages are affected by CVE-2019-8605
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.
CWE-416