SB20250916330 - Multiple vulnerabilities in Apple Safari

Description

This security bulletin contains information about 9 secuirty vulnerabilities.

1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2025-43356)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to missing permissions checks. A remote attacker can trick the victim into visiting a specially crafted website and gain access to sensor information without user consent.

2) Memory corruption (CVE-ID: CVE-2025-43272)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into opening a specially crafted website and crash the browser. 

3) Memory corruption (CVE-ID: CVE-2025-43343)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into opening a specially crafted website and crash the browser. 

4) Improper access control (CVE-ID: CVE-2025-43342)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper access restrictions in WebKit. A remote attacker can trick the victim into opening a specially crafted website and crash the browser.

5) Use after free (CVE-ID: CVE-2025-43368)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in WebKit Process Model. A remote attacker can trick the victim into opening a specially crafted website and crash the browser.

6) Spoofing attack (CVE-ID: CVE-2025-43327)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can trick the victim into visiting a specially crafted website and spoof the browser's address bar.

7) Input validation error (CVE-ID: CVE-2025-31254)

The vulnerability allows a remote attacker to redirect users to a malicious website.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can trick the victim into clicking on a specially crafted URL and redirect users to a malicious website. 

8) Buffer overflow (CVE-ID: CVE-2025-43419)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

9) Information disclosure (CVE-ID: CVE-2025-43376)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a logic issue in WebKit. A remote attacker can view leaked DNS queries with Private Relay turned on.

Remediation

Install update from vendor's website.

References

• https://support.apple.com/en-us/125113