CVE-2026-5264

9.8 CRITICAL

Published: April 09, 2026 Modified: April 29, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/wolfssl/wolfssl/pull/10076

Source: facts@wolfssl.com

Issue Tracking Patch

1 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

0.1%

31th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-122

Affected Vendors

wolfssl

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