DTLS 1.3 ACK heap buffer overflow (wolfSSL wolfSSL)

CVE-2026-5264

HIGH 8.3

En bref

Source: NVD
EPSS: EPSS 0.45 % · centile 39 (2026-10-29)
État: PUBLISHED
Publiée: 2026-04-09 21:43 UTC
Mise à jour: 2026-04-10 13:55 UTC
Attribuée par: wolfSSL
Statut NVD: Analyzed

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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.

Faiblesses (CWE)

CWE-122 — Débordement de tampon sur le tas

Références

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

Scores

Version	Score	Vecteur	Évalué par
CVSS 4.0	HIGH 8.3	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	wolfSSL
CVSS 4.0	HIGH 8.3	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	NVD · facts@wolfssl.com (Secondary)
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)

Références européennes

ENISA EUVD · EUVD-2026-21214
GCVE · GCVE-0-2026-5264

Configurations affectées (CPE NVD)

cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:* < 5.9.1

Produits affectés

Produit	Versions
wolfSSL · wolfSSL	affected 0 < 5.9.1

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD