CVE-2025-48965

Published Jul 20, 2025 CVSS 3.1 · 4 Medium EPSS < 1% KEV · Not listed
Description
Mbed TLS before 3.6.4 has a NULL pointer dereference because mbedtls_asn1_store_named_data can trigger conflicting data with val.p of NULL but val.len greater than zero.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4274-1 mbedtls security update
EUVD EUVD EUVD-2025-22031 Mbed TLS before 3.6.4 has a NULL pointer dereference because mbedtls_asn1_store_named_data can trigger conflicting data with val.p of NULL but val.len greater than zero.
Ubuntu USN Ubuntu USN USN-8123-1 Mbed TLS vulnerabilities
History
Type Values Removed Values Added
First Time appeared Arm
Arm mbed Tls
Weaknesses CWE-476
CPEs cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
Vendors & Products Arm
Arm mbed Tls
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-696
Metrics cvssV3_1

{'score': 4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L'}

Type Values Removed Values Added
Description Mbed TLS before 3.6.4 has a NULL pointer dereference because mbedtls_asn1_store_named_data can trigger conflicting data with val.p of NULL but val.len greater than zero.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 3, 2025, 8:04 PM
Reserved
May 29, 2025, 12:00 AM
Status
Modified
Published
Jul 20, 2025, 6:15 PM
Modified
Jun 17, 2026, 9:30 AM