Use-after-free in mbed TLS - CVE-2025-47917
Published: July 7, 2025
Vulnerability identifier: #VU112441
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-47917
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the mbedtls_x509_string_to_names() function. A remote attacker can send specially crafted data to the application, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Affected software
mbed TLS
Ubuntu
Fedora
mbedtls (Ubuntu package)
dolphin-emu
Ubuntu
Fedora
mbedtls (Ubuntu package)
dolphin-emu
How to mitigate CVE-2025-47917
Install updates from vendor's website.
mbed TLS - update to 3.6.4
mbedtls (Ubuntu package) - addressed in versions 2.8.0-1ubuntu0.1~esm1, 2.16.4-1ubuntu2+esm1, 2.28.0-1ubuntu0.1~esm1, 2.28.8-1ubuntu0.1~esm1
dolphin-emu - update to 2503a-4.fc42
mbedtls (Ubuntu package) - addressed in versions 2.8.0-1ubuntu0.1~esm1, 2.16.4-1ubuntu2+esm1, 2.28.0-1ubuntu0.1~esm1, 2.28.8-1ubuntu0.1~esm1
dolphin-emu - update to 2503a-4.fc42