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CVE-2026-5393

MEDIUM CVSS 4.0: 6.3 EPSS 0.04%
Updated Apr 10, 2026
Dual-Algorithm
Parameter Value
CVSS 6.3 (MEDIUM)
Type CWE-125 (Out-of-bounds Read)
Vendor Dual-Algorithm
Public PoC No

Dual-Algorithm CertificateVerify out-of-bounds read. When processing a dual-algorithm CertificateVerify message, an out-of-bounds read can occur on crafted input. This can only occur when --enable-experimental and --enable-dual-alg-certs is used when building wolfSSL.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0

Weakness Type (CWE)