CVE-2026-5264
DTLS 1.3 ACK heap buffer overflow
CVSS Score
0.0
EPSS Score
0.2%
EPSS Percentile
40th
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.
| CWE | CWE-122 |
| Vendor | wolfssl |
| Product | wolfssl |
| Published | Apr 9, 2026 |
| Last Updated | Apr 10, 2026 |
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Affected Versions
wolfSSL / wolfSSL
0 < 5.9.1
Credits
Sunwoo Lee, Korea Institute of Energy Technology (KENTECH) Seunghyun Yoon, Korea Institute of Energy Technology (KENTECH)