CVE-2026-5264

HIGH EPSS 35.6%
Published Apr 9, 20262mo ago · Modified Jun 17, 20261w ago
8.3 CVSS 4.0
High
Find Similar
Published Apr 9, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

Heap buffer overflow in DTLS 1.3 ACK message processing. A remote attacker can send a crafted DTLS 1.3 ACK message that triggers a heap buffer overflow.

CVSS Details

Base Score
8.3
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
35.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-122

Affected Products 1

VendorProductVersionRange
wolfsslwolfssl* <5.9.1

References 1

  • github.com https://github.com/wolfssl/wolfssl/pull/10076
    Issue TrackingPatch

Remediation

  • github.com https://github.com/wolfssl/wolfssl/pull/10076
    Issue TrackingPatch