A memory corruption issue existed in the handling of IPv6 packets. This issue was addressed with improved memory management. This issue is fixed in macOS Catalina 10.15, tvOS 13, macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, watchOS 6, iOS 13. A malicious application may be able to determine kernel memory layout.
Published 2020-10-27 20:15:18
Updated 2021-07-21 11:39:24
Source Apple Inc.
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Products affected by CVE-2019-8744

Exploit prediction scoring system (EPSS) score for CVE-2019-8744

0.11%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 44 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-8744

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
MEDIUM AV:N/AC:M/Au:N/C:P/I:N/A:N
8.6
2.9
NIST
5.5
MEDIUM CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
1.8
3.6
NIST

CWE ids for CVE-2019-8744

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

References for CVE-2019-8744

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