The issue was addressed with improved memory handling. (CVE-2026-39872)
CVE-2026-39872 is a medium severity vulnerability involving improper memory handling in Safari, iOS, iPadOS, and macOS Tahoe. Processing maliciously crafted web content may cause an unexpected process crash. The issue has been fixed in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-39872) is related to improper memory handling (CWE-119) in Apple's Safari browser and associated operating systems. When processing specially crafted web content, the affected software may experience an unexpected process crash, leading to denial of service. The CVSS v3.1 base score is 6.5 (medium severity) with network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, no confidentiality or integrity impact, but high impact on availability. The issue is addressed by improved memory handling and fixed in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2.
Potential Impact
An attacker can cause an unexpected process crash by delivering maliciously crafted web content, resulting in denial of service. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits in the wild have been reported.
Mitigation Recommendations
The vulnerability is fixed in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2. Users and administrators should update to these versions to remediate the issue.
The issue was addressed with improved memory handling. (CVE-2026-39872)
Description
CVE-2026-39872 is a medium severity vulnerability involving improper memory handling in Safari, iOS, iPadOS, and macOS Tahoe. Processing maliciously crafted web content may cause an unexpected process crash. The issue has been fixed in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2.
CVSS v3.1
Score 6.5medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-39872) is related to improper memory handling (CWE-119) in Apple's Safari browser and associated operating systems. When processing specially crafted web content, the affected software may experience an unexpected process crash, leading to denial of service. The CVSS v3.1 base score is 6.5 (medium severity) with network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, no confidentiality or integrity impact, but high impact on availability. The issue is addressed by improved memory handling and fixed in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2.
Potential Impact
An attacker can cause an unexpected process crash by delivering maliciously crafted web content, resulting in denial of service. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits in the wild have been reported.
Mitigation Recommendations
The vulnerability is fixed in Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2. Users and administrators should update to these versions to remediate the issue.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-3pf9-4p9r-8vcp
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-39872"]
- Ecosystems
- []
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6a83aa84bf8831d539e339b1
Added to database: 08/18/2026, 00:42:44 UTC
Last enriched: 08/18/2026, 00:57:08 UTC
Last updated: 08/18/2026, 01:01:09 UTC
Views: 3
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