CVE-2021-1764 — Use After Free in Apple IOS AND Ipados

CWE-416 — Use After Free5 documents4 sources
Severity
7.5HIGHNVD
EPSS
1.1%
top 22.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Apple IOS AND IpadosApple MacosApple Ipados+4 more
Timeline
PublishedApr 2
Latest updateMay 24

Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause a denial of service.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages8 packages

▶NVDapple/tvos< 14.4
▶CVEListV5apple/macosunspecified — 11.2+2
▶NVDapple/macos11.0 — 11.2
▶NVDapple/ipados< 14.4
▶NVDapple/watchos< 7.3

🔴Vulnerability Details

2
GHSA
GHSA-5h57-625j-3fxr: A use after free issue was addressed with improved memory management↗2022-05-24
▶
CVEList
CVE-2021-1764: A use after free issue was addressed with improved memory management↗2021-04-02
▶

📋Vendor Advisories

2
Apple
CVE-2021-1764: macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave↗2021-02-01
▶
Apple
CVE-2021-1764: iOS 14.4 and iPadOS 14.4↗2021-01-26
▶
CVE-2021-1764 — Use After Free in Apple IOS AND Ipados | cvebase