Moole Vulnerability Database

Find real vulnerabilities before they ship

Critical

CVE-2026-5264

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.

VectorNETWORK

PublishedApr 09, 2026, 22:16

Published Byfacts@wolfssl.com

Base Score

Score9.8

Affected Versions

No affected versions found.

References

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

Weakness Type

CWE-122

CVSS Metrics

Base Score

8.3

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

Base SeverityHigh

Version

4.0

Attack Vector (AV)

NETWORK