CVE-2021-1796 — Out-of-bounds Write in Apple IOS AND Ipados

CWE-787 — Out-of-bounds Write4 documents4 sources
Severity
9.8CRITICALNVD
EPSS
1.6%
top 18.50%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Apple IOS AND IpadosApple Ipad OSApple Iphone OS
Timeline
PublishedApr 2
Latest updateMay 24

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶NVDapple/ipad_os< 14.4
▶CVEListV5apple/ios_and_ipadosunspecified — 14.4
▶NVDapple/iphone_os< 14.4

🔴Vulnerability Details

2
GHSA
GHSA-w4j9-v938-v84v: An out-of-bounds write was addressed with improved input validation↗2022-05-24
▶
CVEList
CVE-2021-1796: An out-of-bounds write was addressed with improved input validation↗2021-04-02
▶

📋Vendor Advisories

1
Apple
CVE-2021-1796: iOS 14.4 and iPadOS 14.4↗2021-01-26
▶
CVE-2021-1796 — Out-of-bounds Write in Apple | cvebase