CVE-2021-1766 — Out-of-bounds Write in Apple IOS AND Ipados

CWE-787 — Out-of-bounds Write6 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.3%
top 45.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Apple IOS AND IpadosApple MacosApple Ipados+4 more
Timeline
PublishedApr 2
Latest updateMay 24

Description

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to a denial of service.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages8 packages

▶NVDapple/tvos< 14.4
▶CVEListV5apple/macosunspecified — 11.2+2
▶NVDapple/macos11.0 — 11.2
▶NVDapple/ipados< 14.4
▶NVDapple/watchos< 7.3

🔴Vulnerability Details

2
GHSA
GHSA-rr24-55gg-g58c: This issue was addressed with improved checks↗2022-05-24
▶
CVEList
CVE-2021-1766: This issue was addressed with improved checks↗2021-04-02
▶

📋Vendor Advisories

3
Red Hat
libsolv: Heap overflow↗2022-02-21
▶
Apple
CVE-2021-1766: macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave↗2021-02-01
▶
Apple
CVE-2021-1766: iOS 14.4 and iPadOS 14.4↗2021-01-26
▶
CVE-2021-1766 — Out-of-bounds Write in Apple | cvebase