This issue was addressed by improved management of object lifetimes. This issue is fixed in iOS 12.5.2, iOS 14.4.2 and iPadOS 14.4.2, watchOS 7.3.3. Processing maliciously crafted web content may lead to universal cross site scripting. Apple is aware of a report that this issue may have been actively exploited..
Advisories
Source ID Title
EUVD EUVD EUVD-2021-7343 This issue was addressed by improved management of object lifetimes. This issue is fixed in iOS 12.5.2, iOS 14.4.2 and iPadOS 14.4.2, watchOS 7.3.3. Processing maliciously crafted web content may lead to universal cross site scripting. Apple is aware of a report that this issue may have been actively exploited..
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 22 Oct 2025 00:30:00 +0000


Tue, 21 Oct 2025 20:30:00 +0000


Tue, 21 Oct 2025 19:30:00 +0000


Wed, 29 Jan 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2021-11-03'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2025-10-21T23:25:49.688Z

Reserved: 2020-12-08T00:00:00.000Z

Link: CVE-2021-1879

cve-icon Vulnrichment

Updated: 2024-08-03T16:25:06.324Z

cve-icon NVD

Status : Analyzed

Published: 2021-04-02T19:15:20.770

Modified: 2025-10-23T18:01:38.537

Link: CVE-2021-1879

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.