CVE-2021-30851 — Out-of-bounds Write in Apple IOS AND Ipados

CWE-787 — Out-of-bounds Write11 documents7 sources
Severity
8.8HIGHNVD
EPSS
1.0%
top 22.59%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
9
Apple IOS AND IpadosApple SafariApple Tvos+6 more
Timeline
PublishedAug 24
Latest updateNov 1

Description

A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to 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 Packages10 packages

▶CVEListV5apple/tvosunspecified — 15
▶NVDapple/tvos< 15.0
▶CVEListV5apple/safariunspecified — 15
▶NVDapple/ipados< 15.0
▶NVDapple/safari< 15.0

Also affects: Debian Linux 10.0, 11.0, Fedora 33, 34

🔴Vulnerability Details

2
CVEList
CVE-2021-30851: A memory corruption vulnerability was addressed with improved locking↗2021-08-24
▶
OSV
CVE-2021-30851: A memory corruption vulnerability was addressed with improved locking↗2021-08-24
▶

📋Vendor Advisories

8
Ubuntu
WebKitGTK vulnerabilities↗2021-11-01
▶
Red Hat
webkitgtk: Memory corruption issue leading to arbitrary code execution↗2021-10-26
▶
Apple
CVE-2021-30851: macOS Monterey 12.0.1↗2021-10-25
▶
Apple
CVE-2021-30851: watchOS 8↗2021-09-20
▶
Apple
CVE-2021-30851: tvOS 15↗2021-09-20
▶
CVE-2021-30851 — Out-of-bounds Write in Apple | cvebase