Vulnerability Details : CVE-2019-8526

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.4. An application may be able to gain elevated privileges.
Published 2019-12-18 18:15:24
Updated 2019-12-20 23:00:58
Source Apple Inc.
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

CVE-2019-8526 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Apple macOS Use-After-Free Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Apple macOS contains a use-after-free vulnerability that could allow for privilege escalation.
Notes:
https://support.apple.com/en-us/HT209600
Added on 2023-04-17 Action due date 2023-05-08

Exploit prediction scoring system (EPSS) score for CVE-2019-8526

EPSS FAQ
0.14%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 49 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-8526

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.2
 HIGH AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
 NIST
7.8
 HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
 NIST

CWE ids for CVE-2019-8526

  • The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-8526

Products affected by CVE-2019-8526

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