CVE-2024-54505
highA type confusion issue was addressed with improved memory handling.
Vendor / product: Apple — safari
A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 18.2, iOS 18.2 and iPadOS 18.2, iPadOS 17.7.3, macOS Sequoia 15.2, tvOS 18.2, visionOS 2.2, watchOS 11.2. Processing maliciously crafted web content may lead to memory corruption.
CVSS
8.8
8.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2024-12-12 02:15
Modified: 2026-11-04 17:17
NVD status: Modified
Last synced 10 hours ago
Verified against the source API 2026-11-04 17:35 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
apple / safari <18.2
apple / ipados <17.7.3, ≥18.0 <18.2
apple / iphone_os <18.2
apple / macos <15.2
apple / tvos <18.2
apple / visionos <2.2
apple / watchos <11.2
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://support.apple.com/en-us/121837
Vendor advisory: https://support.apple.com/en-us/121838
Vendor advisory: https://support.apple.com/en-us/121839
Vendor advisory: https://support.apple.com/en-us/121843
Vendor advisory: https://support.apple.com/en-us/121844
Vendor advisory: https://support.apple.com/en-us/121845
Vendor advisory: https://support.apple.com/en-us/121846
References
- https://support.apple.com/en-us/121837 product-security@apple.com
- https://support.apple.com/en-us/121838 product-security@apple.com
- https://support.apple.com/en-us/121839 product-security@apple.com
- https://support.apple.com/en-us/121843 product-security@apple.com
- https://support.apple.com/en-us/121844 product-security@apple.com
- https://support.apple.com/en-us/121845 product-security@apple.com
- https://support.apple.com/en-us/121846 product-security@apple.com
- http://seclists.org/fulldisclosure/2024/Dec/10 af854a3a-2127-422b-91ae-364da2661108
- http://seclists.org/fulldisclosure/2024/Dec/13 af854a3a-2127-422b-91ae-364da2661108
- http://seclists.org/fulldisclosure/2024/Dec/6 af854a3a-2127-422b-91ae-364da2661108
- http://seclists.org/fulldisclosure/2024/Dec/7 af854a3a-2127-422b-91ae-364da2661108
- https://lists.debian.org/debian-lts-announce/2025/01/msg00002.html af854a3a-2127-422b-91ae-364da2661108
Data sources
NVD CVE API 2.0 — fetched 2026-11-04 17:35 UTC · record ↗