CVE-2021-30846 — Out-of-bounds Write in Apple IOS AND Ipados

CWE-787 — Out-of-bounds Write12 documents7 sources
Severity
7.8HIGHNVD
EPSS
0.5%
top 33.89%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
15
Apple IOS AND IpadosApple SafariApple Tvos+12 more
Timeline
PublishedOct 19
Latest updateMay 24

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages18 packages

▶NVDapple/ipados< 14.8
▶CVEListV5apple/ios_and_ipadosunspecified — 14.8+1
▶CVEListV5apple/tvosunspecified — 15

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

🔴Vulnerability Details

2
GHSA
GHSA-28cj-vpvc-jgj6: A memory corruption issue was addressed with improved memory handling↗2022-05-24
▶
OSV
CVE-2021-30846: A memory corruption issue was addressed with improved memory handling↗2021-10-19
▶

📋Vendor Advisories

9
Ubuntu
WebKitGTK vulnerabilities↗2021-11-01
▶
Red Hat
webkitgtk: Memory corruption issue leading to arbitrary code execution↗2021-10-26
▶
Apple
CVE-2021-30846: macOS Monterey 12.0.1↗2021-10-25
▶
Apple
CVE-2021-30846: tvOS 15↗2021-09-20
▶
Apple
CVE-2021-30846: iOS 15 and iPadOS 15↗2021-09-20
▶