CVE-2025-48965
HIGH
7.5
CVSS Score
Published: July 20, 2025 at 12:00 AM UTC
Updated: June 17, 2026 at 09:30 AM UTC
2 products affected across 2 vendorsmbed TLSMbedtls
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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
MitigationThird Party Advisory
Source: [email protected]
https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-6.mdVendor Advisory
Source: [email protected]
https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/08/msg00013.htmlSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-696CWE-476
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