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EUVD-2026-18392

🗓️ 02 Apr 2026 20:36:10Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 23 Views

Older Rack versions miscompute Content-Length in Rack::Files#fail using size, risking UTF eight desynchronization.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-34831
2 Apr 202616:43
–attackerkb
bdu_fstec
BDU FSTEC
Rack Modular Interface Buffer Overflow
3 Jun 202600:00
–bdu_fstec
cgr
Chainguard
CVE-2026-34831 vulnerabilities
6 Apr 202601:18
–cgr
cnnvd
CNNVD
Rack 安全漏洞
2 Apr 202600:00
–cnnvd
cve
CVE
CVE-2026-34831
2 Apr 202616:43
–cve
cvelist
Cvelist
CVE-2026-34831 Rack: Content-Length mismatch in Rack::Files error responses
2 Apr 202616:43
–cvelist
debian
Debian
[SECURITY] [DLA 4706-1] ruby-rack security update
30 Jul 202618:46
–debian
debian
Debian
[SECURITY] [DSA 6492-1] ruby-rack security update
10 Sep 202620:35
–debian
debiancve
Debian CVE
CVE-2026-34831
2 Apr 202616:43
–debiancve
nessus
Tenable Nessus
Debian dla-4706 : ruby-rack - security update
30 Jul 202600:00
–nessus
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "685f2e70-b7cb-3606-bbb6-8979b1ea6da7",
        "vendor": {
          "name": "rack"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "3e0adc10-3c3d-3b30-84d6-bcbcd085bd8c",
        "product": {
          "name": "rack"
        },
        "product_version": "3.0.0.beta1, < 3.1.21"
      },
      {
        "id": "8f3fe02d-6c34-3f39-93af-ad22a7091093",
        "product": {
          "name": "rack"
        },
        "product_version": "3.2.0, < 3.2.6"
      },
      {
        "id": "a53d7a6a-8678-3f47-91a5-9a1b254d717b",
        "product": {
          "name": "rack"
        },
        "product_version": "< 2.2.23"
      }
    ]
  }
]

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02 Apr 2026 20:36Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.14.8
EPSS0.00245
23