CVE-2021-30953 — Out-of-bounds Read in Apple IOS AND Ipados

CWE-125 — Out-of-bounds Read10 documents7 sources
Severity
8.8HIGHNVD
EPSS
0.5%
top 34.80%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
9
Apple IOS AND IpadosApple MacosApple Watchos+6 more
Timeline
PublishedAug 24
Latest updateJan 27

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. 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 Packages9 packages

▶NVDapple/tvos< 15.2
▶CVEListV5apple/macosunspecified — 12.1+1
▶NVDapple/ipados< 15.2
▶NVDapple/safari< 15.2
▶CVEListV5apple/watchosunspecified — 8.3

Also affects: Debian Linux 10.0, 11.0, Fedora 34, 35

🔴Vulnerability Details

2
OSV
CVE-2021-30953: An out-of-bounds read was addressed with improved bounds checking↗2021-08-24
▶
CVEList
CVE-2021-30953: An out-of-bounds read was addressed with improved bounds checking↗2021-08-24
▶

📋Vendor Advisories

7
Ubuntu
WebKitGTK vulnerabilities↗2022-01-27
▶
Red Hat
webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution↗2022-01-21
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Apple
CVE-2021-30953: Safari 15.2↗2021-12-14
▶
Apple
CVE-2021-30953: tvOS 15.2↗2021-12-13
▶
Apple
CVE-2021-30953: macOS Monterey 12.1↗2021-12-13
▶
CVE-2021-30953 — Out-of-bounds Read in Apple | cvebase