A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2. Clicking a malicious SMS link may lead to arbitrary code execution.
Published 2019-12-18 18:15:26
Updated 2020-08-24 17:37:01
Source Apple Inc.
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Exploit prediction scoring system (EPSS) score for CVE-2019-8553

Probability of exploitation activity in the next 30 days: 0.57%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 75 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2019-8553

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.8
MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
NIST
8.8
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.8
5.9
NIST

CWE ids for CVE-2019-8553

  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-8553

Products affected by CVE-2019-8553

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