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TI-2019-06386 Aliases CVE-2019-8826GHSA-x6c3-g59x-84cr

Out-of-bounds write in Apple macOS

Priority MEDIUM 40CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Catalina 10.15. Processing maliciously crafted web content may lead to arbitrary code execution.

Why it matters now

EPSS 0.01091 65th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 10.15

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApplemacOSbefore 10.1510.15Patch availableCNA
  • macOS VendorApple Affected before 10.15 Fixed in 10.15 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*before 10.15VulnerableApple
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 10.15

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apple macOS 10.15

    59 records Highest priority Priority MEDIUM 9 MEDIUM, 50 LOW

    Other records, highest priority first

    Show all 59 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-8826
  2. 2026-10-03 Alias added: GHSA-x6c3-g59x-84cr

References

Advisory 1

  • TI-2021-01573 Apple iOS and iPadOS: A remote attacker may be able to cause arbitrary code execution KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-01572 Apple iOS and iPadOS: A remote attacker may be able to cause arbitrary code execution KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
  • TI-2012-01607 sapi/cgi/cgi_main.c in PHP before 5.3.12 and 5.4.x before 5.4.2, when configured as a CGI… KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-02117 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
See all 3209 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences