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CVE-2026-119434 Decompression bomb in ezstd:decompress_using_ddict/2 allows BEAM memory exhaustion via unbounded output buffer

🗓️ 05 Nov 2026 20:15:56Reported by EEFType 
cvelist
 cvelist
🔗 www.cve.org👁 15 Views

Decompression bomb in ezstd:decompress_using_ddict/2 allows BEAM memory exhaustion.

Related
Affected
Refs
[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:silviucpp:ezstd:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "ezstd_nif",
      "ezstd"
    ],
    "packageName": "ezstd",
    "packageURL": "pkg:hex/ezstd",
    "product": "ezstd",
    "programFiles": [
      "c_src/ezstd_nif.cc",
      "src/ezstd_nif.erl",
      "src/ezstd.erl"
    ],
    "programRoutines": [
      {
        "name": "zstd_nif_decompress_using_ddict"
      },
      {
        "name": "ezstd_nif:decompress_using_ddict/2"
      },
      {
        "name": "ezstd:decompress_using_ddict/2"
      }
    ],
    "repo": "https://github.com/silviucpp/ezstd",
    "vendor": "silviucpp",
    "versions": [
      {
        "lessThan": "1.2.5",
        "status": "affected",
        "version": "1.0.5",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:silviucpp:ezstd:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "ezstd_nif",
      "ezstd"
    ],
    "packageName": "silviucpp/ezstd",
    "packageURL": "pkg:github/silviucpp/ezstd",
    "product": "ezstd",
    "programFiles": [
      "c_src/ezstd_nif.cc",
      "src/ezstd_nif.erl",
      "src/ezstd.erl"
    ],
    "programRoutines": [
      {
        "name": "zstd_nif_decompress_using_ddict"
      },
      {
        "name": "ezstd_nif:decompress_using_ddict/2"
      },
      {
        "name": "ezstd:decompress_using_ddict/2"
      }
    ],
    "repo": "https://github.com/silviucpp/ezstd",
    "vendor": "silviucpp",
    "versions": [
      {
        "lessThan": "e34f4a4f6dc18d990d1cece2d5fceef8e934a195",
        "status": "affected",
        "version": "6730128b1d35eca02a2028671421471ff651f423",
        "versionType": "git"
      }
    ]
  }
]

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05 Nov 2026 20:15Current
CVSS 46.9
CVSS 3.16.2
EPSS0.00178
SSVC
15