7.8
CVSSv3

CVE-2021-1858

Published: 08/09/2021 Updated: 17/09/2021
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
VMScore: 605
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Vulnerability Summary

This vulnerability allows remote malicious users to disclose sensitive information on affected installations of Apple macOS. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the DecodeRow function. Crafted data in a KTX image can trigger a read past the end of an allocated data structure. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.

Vulnerability Trend

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apple ipados

apple iphone os

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

apple tvos

apple watchos

Mailing Lists

<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-04-26-5 watchOS 74 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: Apple Product Security ...
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-04-26-1 iOS 145 and iPadOS 145 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: Apple Prod ...
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-04-26-2 macOS Big Sur 113 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: Apple Product Se ...