Input validation error in Firefox for iOS - CVE-2023-37456
Published: July 11, 2023 / Updated: March 7, 2025
Vulnerability identifier: #VU78059
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2023-37456
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Mozilla
Affected software:
Firefox for iOS
Firefox for iOS
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper validation in the session restore helper. A remote attacker can pass specially crafted message header with no parameters to the application and perform a denial of service (DoS) attack.
How to mitigate CVE-2023-37456
Install updates from vendor's website.