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EUVD-2026-21234

🗓️ 10 Apr 2026 00:30:31Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 1 Views

TLSX SNI bug allows attacker publicName pollution and buffer overflow in TLSHappy path.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-5503
9 Apr 202622:35
attackerkb
AlpineLinux
CVE-2026-5503
9 Apr 202622:35
alpinelinux
Anthropic
ANT-2026-0JRYQPCF · wolfSSL · heap-buffer-overflow
29 Mar 202620:42
anthropic
CNNVD
wolfSSL(CyaSSL) 安全漏洞
9 Apr 202600:00
cnnvd
CVE
CVE-2026-5503
9 Apr 202622:35
cve
Cvelist
CVE-2026-5503 out-of-bounds write in TLSX_EchChangeSNI via attacker-controlled publicName
9 Apr 202622:35
cvelist
Debian CVE
CVE-2026-5503
9 Apr 202622:35
debiancve
NVD
CVE-2026-5503
9 Apr 202623:17
nvd
OSV
DEBIAN-CVE-2026-5503
9 Apr 202623:17
osv
OSV
UBUNTU-CVE-2026-5503
9 Apr 202623:17
osv
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "b4e356c6-6803-3564-9299-7bab8823708c",
        "vendor": {
          "name": "wolfSSL"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "97f30257-d26d-3063-a801-a6e17369d21d",
        "product": {
          "name": "wolfSSL"
        },
        "product_version": "0 ≤5.9.0"
      }
    ]
  }
]

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10 Apr 2026 00:30Current
5.9Medium risk
Vulners AI Score5.9
CVSS 46.9
EPSS0.00053
SSVC
1