CVE-2021-30762

State: Published
Severity: 8.8 High
Published: Sep 8, 2021
Updated: Oct 21, 2025
Reserved: Apr 13, 2021

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.5.4. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
iOSApple	before 12.5Affected

References

https://support.apple.com/en-us/HT212548
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30762government-resource

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.