CVE-2025-31263

CRITICAL
2025-05-29 [email protected]
9.1
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 18:44 vuln.today
CVE Published
May 29, 2025 - 22:15 nvd
CRITICAL 9.1

Tags

Apple Buffer Overflow macOS

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4. An app may be able to corrupt coprocessor memory.

Analysis

The issue was addressed with improved memory handling. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4. An app may be able to corrupt coprocessor memory. Affected products include: Apple Macos.

Affected Products

Apple Macos.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.

Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: +0.4
CVSS: +46
POC: 0

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CVE-2025-31263 vulnerability details – vuln.today
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