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CVE-2026-93304 (D)TLS 1.2 client accepts early ChangeCipherSpec before ClientKeyExchange

🗓️ 27 Sep 2026 09:05:37Reported by wolfSSLType 
cvelist
 cvelist
🔗 www.cve.org👁 45 Views

TLS/DTLS 1.2 clients accept out-of-order ChangeCipherSpec, enabling authentication bypass.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-93304
27 Sep 202609:05
–alpinelinux
cve
CVE
CVE-2026-93304
27 Sep 202609:05
–cve
debiancve
Debian CVE
CVE-2026-93304
27 Sep 202609:05
–debiancve
euvd
EUVD
EUVD-2026-87909
27 Sep 202609:05
–euvd
mend
Mend
CVE-2026-93304
27 Sep 202609:05
–mend
mscve
Microsoft CVE
(D)TLS 1.2 client accepts early ChangeCipherSpec before ClientKeyExchange
1 Oct 202608:13
–mscve
nvd
NVD
CVE-2026-93304
27 Sep 202610:16
–nvd
osv_azl
osv_azl
AZL-105194 CVE-2026-93304 affecting package mariadb 10.11.19-1
27 Sep 202610:16
–osv_azl
osv_debian
osv_debian
DEBIAN-CVE-2026-93304
27 Sep 202610:16
–osv_debian
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-93304
27 Sep 202610:16
–osv_ubuntu
Rows per page
[
  {
    "vendor": "wolfSSL",
    "product": "wolfSSL",
    "versions": [
      {
        "status": "affected",
        "version": "4.7.0",
        "lessThanOrEqual": "5.9.2",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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