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CVE-2026-6679 DTLS 1.3 ACK serialization heap buffer overflow via integer truncation

🗓️ 25 Jun 2026 20:13:06Reported by wolfSSLType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

DTLS 1.3 ACK serialization overflow from truncation before authentication; wolf ssl versions 5.9.0 and earlier affected; fixed in 5.9.1.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-6679
25 Jun 202620:13
attackerkb
Circl
CVE-2026-6679
25 Jun 202623:15
circl
CVE
CVE-2026-6679
25 Jun 202620:13
cve
EUVD
EUVD-2026-39557
25 Jun 202620:13
euvd
NVD
CVE-2026-6679
25 Jun 202621:16
nvd
Positive Technologies
PT-2026-52587
25 Jun 202600:00
ptsecurity
[
  {
    "vendor": "wolfSSL",
    "product": "wolfSSL",
    "collectionURL": "https://github.com/wolfSSL/wolfssl",
    "versions": [
      {
        "status": "affected",
        "version": "5.4.0",
        "lessThanOrEqual": "5.9.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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