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CVE-2025-48965

Good to know:

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Date: July 19, 2025

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.

Severity Score

Related Resources (6)

https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-6.md
https://security.alpinelinux.org/vuln/CVE-2025-48965
https://security-tracker.debian.org/tracker/CVE-2025-48965
https://nvd.nist.gov/vuln/detail/CVE-2025-48965
https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/
https://www.mend.io/vulnerability-database/CVE-2025-48965

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Incorrect Behavior Order

CWE-696

Top Fix

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Upgrade Version

Upgrade to version mbedtls - 3.6.4;https://github.com/Mbed-TLS/mbedtls.git - v3.6.4

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

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