SB2026021254 - Multiple vulnerabilities in Apple Safari
Published: February 12, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 8 secuirty vulnerabilities.
1) Improper limitation of a pathname to a restricted directory ('path traversal') (CVE-ID: CVE-2026-20660)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to incorrect handling of path names in CFNetwork. A local user can trick the victim into opening a specially crafted file and write arbitrary files.
2) Improper input validation (CVE-ID: CVE-2026-20656)
The vulnerability allows a local application to gain access to sensitive information.
The vulnerability exists due to insufficient input validation in Safari. A local application can access a user\'s Safari history.
3) Buffer overflow (CVE-ID: CVE-2026-20652)
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can trick the victim into visiting a specially crafted website and crash the browser.
4) Buffer overflow (CVE-ID: CVE-2026-20608)
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can trick the victim into visiting a specially crafted website and crash the browser.
5) State Issues (CVE-ID: CVE-2026-20676)
The vulnerability allows a remote attacker to track website users.
The vulnerability exists due to a state issue in WebKit. A remote attacker can track users through Safari web extensions.
6) Buffer overflow (CVE-ID: CVE-2026-20644)
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can trick the victim into visiting a specially crafted website and crash the browser.
7) Buffer overflow (CVE-ID: CVE-2026-20636)
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can trick the victim into visiting a specially crafted website and crash the browser.
8) Buffer overflow (CVE-ID: CVE-2026-20635)
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can trick the victim into visiting a specially crafted website and crash the browser.
Remediation
Install update from vendor's website.