CVEvulnerability

CVE-2021-1858

7.8 HIGH Published 2021-09-08 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-09-08
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses
CWE-787

Description

Processing a maliciously crafted image may lead to arbitrary code execution. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An out-of-bounds write issue was addressed with improved bounds checking.

Affected configurations

• apple ipados (< 14.5) • apple iphone os (< 14.5) • apple mac os x 10.14 • apple mac os x 10.14.0 • apple mac os x 10.14.1 • apple mac os x 10.14.2 • apple mac os x 10.14.3 • apple mac os x 10.14.4 • apple mac os x 10.14.5 • apple mac os x 10.14.6 • apple mac os x 10.15 • apple mac os x 10.15.1 • apple mac os x 10.15.2 • apple mac os x 10.15.3 • apple mac os x 10.15.4 • apple mac os x 10.15.5 • apple mac os x 10.15.6 • apple mac os x 10.15.7 • apple macos (>= 11.0 < 11.3) • apple tvos (< 14.5) • apple watchos (< 7.4)

Related

Weakness · CWE (1)

  • CWE-787 Out-of-bounds Write weakness

References