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CVE-2026-93471 Unbounded SAML message decompression in esaml allows memory exhaustion

🗓️ 22 Oct 2026 06:59:24Reported by EEFType 
cvelist
 cvelist
🔗 www.cve.org👁 1 Views

Unauthenticated memory exhaustion in dropbox esaml via unbounded SAML decompression.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-93471
22 Oct 202607:28
–circl
cve
CVE
CVE-2026-93471
22 Oct 202606:59
–cve
euvd
EUVD
EUVD-2026-108052
22 Oct 202606:59
–euvd
nvd
NVD
CVE-2026-93471
22 Oct 202609:17
–nvd
osv_eef
osv_eef
EEF-CVE-2026-93471 Unbounded SAML message decompression in esaml allows memory exhaustion
22 Oct 202606:59
–osv_eef
ptsecurity
Positive Technologies
PT-2026-121296
22 Oct 202600:00
–ptsecurity
[
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:handnot2:esaml:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "esaml_binding",
      "esaml_cowboy"
    ],
    "packageName": "handnot2/esaml",
    "packageURL": "pkg:github/handnot2/esaml",
    "product": "esaml",
    "programFiles": [
      "src/esaml_binding.erl",
      "src/esaml_cowboy.erl"
    ],
    "programRoutines": [
      {
        "name": "esaml_binding:decode_response/2"
      },
      {
        "name": "esaml_cowboy:validate_assertion/2"
      },
      {
        "name": "esaml_cowboy:validate_logout/2"
      }
    ],
    "repo": "https://github.com/handnot2/esaml",
    "vendor": "handnot2",
    "versions": [
      {
        "lessThan": "*",
        "status": "affected",
        "version": "deeb84378d5c82153b470e99d24f77c38afca14a",
        "versionType": "git"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:arekinath:esaml:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "esaml_binding",
      "esaml_cowboy"
    ],
    "packageName": "arekinath/esaml",
    "packageURL": "pkg:github/arekinath/esaml",
    "product": "esaml",
    "programFiles": [
      "src/esaml_binding.erl",
      "src/esaml_cowboy.erl"
    ],
    "programRoutines": [
      {
        "name": "esaml_binding:decode_response/2"
      },
      {
        "name": "esaml_cowboy:validate_assertion/2"
      },
      {
        "name": "esaml_cowboy:validate_logout/2"
      }
    ],
    "repo": "https://github.com/arekinath/esaml",
    "vendor": "arekinath",
    "versions": [
      {
        "lessThan": "*",
        "status": "affected",
        "version": "deeb84378d5c82153b470e99d24f77c38afca14a",
        "versionType": "git"
      }
    ]
  },
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:dropbox:esaml:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "esaml_binding",
      "esaml_cowboy"
    ],
    "packageName": "esaml",
    "packageURL": "pkg:hex/esaml",
    "product": "esaml",
    "programFiles": [
      "src/esaml_binding.erl",
      "src/esaml_cowboy.erl"
    ],
    "programRoutines": [
      {
        "name": "esaml_binding:decode_response/2"
      },
      {
        "name": "esaml_cowboy:validate_assertion/2"
      },
      {
        "name": "esaml_cowboy:validate_logout/2"
      }
    ],
    "repo": "https://github.com/dropbox/esaml",
    "vendor": "dropbox",
    "versions": [
      {
        "lessThan": "*",
        "status": "affected",
        "version": "0.1.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:dropbox:esaml:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "esaml_binding",
      "esaml_cowboy"
    ],
    "packageName": "dropbox/esaml",
    "packageURL": "pkg:github/dropbox/esaml",
    "product": "esaml",
    "programFiles": [
      "src/esaml_binding.erl",
      "src/esaml_cowboy.erl"
    ],
    "programRoutines": [
      {
        "name": "esaml_binding:decode_response/2"
      },
      {
        "name": "esaml_cowboy:validate_assertion/2"
      },
      {
        "name": "esaml_cowboy:validate_logout/2"
      }
    ],
    "repo": "https://github.com/dropbox/esaml",
    "vendor": "dropbox",
    "versions": [
      {
        "lessThan": "*",
        "status": "affected",
        "version": "deeb84378d5c82153b470e99d24f77c38afca14a",
        "versionType": "git"
      }
    ]
  }
]

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