CVE-2021-1864: A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. An attacker with…

PriorityP350critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

2.15%

80.1th percentile

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. An attacker with JavaScript execution may be able to execute arbitrary code.

Affected

8 ranges

Vendor	Product	Version range	Fixed in
apple	ios_14.5_and_ipados	—	—
apple	ios_and_ipados	>= unspecified < 14.5	14.5
apple	ipados	< 14.5	14.5
apple	iphone_os	< 14.5	14.5
apple	tvos	< 14.5	14.5
apple	tvos	>= unspecified < 14.5	14.5
apple	watchos	< 7.4	7.4
apple	watchos	>= unspecified < 7.4	7.4

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.