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EUVD-2026-47582

🗓️ 22 Jul 2026 21:43:31Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 8 Views

Netty OCSP client fails to validate CertificateID, enabling replay attack; fixed in 4.2.16.Final.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-56820
21 Jul 202622:26
attackerkb
cgr
Chainguard
CVE-2026-56820 vulnerabilities
24 Jul 202608:24
cgr
circl
Circl
CVE-2026-56820
22 Jul 202602:59
circl
cve
CVE
CVE-2026-56820
21 Jul 202622:26
cve
cvelist
Cvelist
CVE-2026-56820 Netty: Missing CertificateID Validation in OCSP Response Allows Replay Attacks
21 Jul 202622:26
cvelist
debiancve
Debian CVE
CVE-2026-56820
21 Jul 202622:26
debiancve
github
Github Security Blog
Netty: Missing CertificateID Validation in OCSP Response Allows Replay Attacks
22 Jul 202621:43
github
nvd
NVD
CVE-2026-56820
21 Jul 202623:17
nvd
osv
OSV
CGA-GW2R-J93G-42H4
23 Jul 202622:40
osv
osv
OSV
DEBIAN-CVE-2026-56820
21 Jul 202623:17
osv
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "5b7cd3d8-e8de-3449-8f99-413a17a4a342",
        "vendor": {
          "name": "netty"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "8b05d1ab-4654-3641-b0c1-6428a38521d8",
        "product": {
          "name": "netty",
          "vendor": {
            "name": "netty"
          }
        },
        "product_version": "4.2.0.Final, < 4.2.16.Final"
      },
      {
        "id": "fe531b8f-4001-3c18-bfb9-dc51c656b3d5",
        "product": {
          "name": "netty",
          "vendor": {
            "name": "netty"
          }
        },
        "product_version": "< 4.1.136.Final"
      }
    ]
  }
]

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22 Jul 2026 21:43Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.17.4
EPSS0.00182
SSVC
8