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Apple CVE-2026-39870

| EUVD-2026-29293 HIGH
Buffer Overflow (CWE-119)
2026-05-11 apple GHSA-r2mj-8p47-g2fc
7.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

4
CVSS changed
May 12, 2026 - 19:22 NVD
7.5 (HIGH)
Patch available
May 11, 2026 - 22:18 EUVD
CVE Published
May 11, 2026 - 20:07 nvd
UNKNOWN (no severity yet)
CVE Published
May 11, 2026 - 20:07 nvd
HIGH 7.5

DescriptionNVD

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Processing a maliciously crafted image may corrupt process memory.

Analysis

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. …

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CVE-2026-39870 vulnerability details – vuln.today

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