NULL pointer dereference in mbed TLS - CVE-2025-48965
Published: July 7, 2025
Vulnerability identifier: #VU112442
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-48965
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ARM
Affected software:
mbed TLS
mbed TLS
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the mbedtls_asn1_store_named_data() function. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
How to mitigate CVE-2025-48965
Install updates from vendor's website.