CVE-2026-20644

MEDIUM
2026-02-11 [email protected]
6.5
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
Patch Released
Apr 09, 2026 - 14:30 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
CVE Published
Feb 11, 2026 - 23:16 nvd
MEDIUM 6.5

Tags

Apple Buffer Overflow Redhat Suse

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Tahoe 26.3, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3, Safari 26.3. Processing maliciously crafted web content may lead to an unexpected process crash.

Analysis

Memory handling flaws in Apple's macOS, iOS, iPadOS, and Safari allow remote attackers to crash affected processes by serving specially crafted web content, requiring only user interaction to trigger the denial of service. The vulnerability affects multiple Apple platforms and products across recent versions, with fixes available in macOS Tahoe 26.3, iOS 18.7.5, iPadOS 18.7.5, and Safari 26.3. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

Vendor Status

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CVE-2026-20644 vulnerability details – vuln.today
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