CVE-2021-30795 — Use After Free in Apple Macos

CWE-416 — Use After FreeCWE-20 — Improper Input Validation9 documents8 sources
Severity
8.8HIGHNVD
EPSS
0.9%
top 24.08%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Apple IOSApple MacosApple Iphone OS+3 more
Timeline
PublishedSep 8
Latest updateMay 24

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages7 packages

▶NVDapple/tvos< 14.7
▶CVEListV5apple/macosunspecified — 11.5+3
▶NVDapple/macos11.0 — 11.5
▶NVDapple/safari< 14.1.2
▶NVDapple/watchos< 7.6

🔴Vulnerability Details

3
GHSA
GHSA-mq98-f72q-hfx8: A use after free issue was addressed with improved memory management↗2022-05-24
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OSV
CVE-2021-30795: A use after free issue was addressed with improved memory management↗2021-09-08
▶
CVEList
CVE-2021-30795: A use after free issue was addressed with improved memory management↗2021-09-08
▶

📋Vendor Advisories

5
Red Hat
webkitgtk: Use-after-free leading to arbitrary code execution↗2021-07-28
▶
Ubuntu
WebKitGTK vulnerabilities↗2021-07-28
▶
Apple
CVE-2021-30795: Safari 14.1.2↗2021-07-19
▶
Debian
CVE-2021-30795: webkit2gtk - A use after free issue was addressed with improved memory management. This issue...↗2021
▶
Apple
CVE-2021-30795: iOS 14.7 and iPadOS 14.7↗
▶
CVE-2021-30795 — Use After Free in Apple Macos | cvebase