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Unbounded integer parsing in the Version module enables CPU and memory exhaustion denial of service

cve-program · CVE-2026-49762

Published

elixir

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "cpes": [
                        "cpe:2.3:a:elixir-lang:elixir:*:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "modules": [
                        "'Elixir.Version'",
                        "'Elixir.Version.Parser'"
                    ],
                    "packageName": "elixir",
                    "packageURL": "pkg:otp/elixir?repository_url=https:%2F%2Fgithub.com%2Felixir-lang%2Felixir&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Felixir-lang%2Felixir.git",
                    "product": "elixir",
                    "programFiles": [
                        "lib/version.ex"
                    ],
                    "programRoutines": [
                        {
                            "name": "'Elixir.Version':parse/1"
                        },
                        {
                            "name": "'Elixir.Version':parse!/1"
                        },
                        {
                            "name": "'Elixir.Version':match?/3"
                        },
                        {
                            "name": "'Elixir.Version':compare/2"
                        },
                        {
                            "name": "'Elixir.Version':parse_requirement/1"
                        },
                        {
                            "name": "'Elixir.Version.Parser':parse_version/2"
                        },
                        {
                            "name": "'Elixir.Version.Parser':parse_digits/2"
                        },
                        {
                            "name": "'Elixir.Version.Parser':require_digits/1"
                        },
                        {
                            "name": "'Elixir.Version.Parser':convert_parts_to_integer/2"
                        }
                    ],
                    "repo": "https://github.com/elixir-lang/elixir",
                    "vendor": "elixir-lang",
                    "versions": [
                        {
                            "lessThan": "1.20.1",
                            "status": "affected",
                            "version": "0.9.3",
                            "versionType": "semver"
                        }
                    ]
                }

elixir-lang/elixir

https://github.com

Original vendor version evidence · not evaluated as a NuGet range
{
                    "collectionURL": "https://github.com",
                    "cpes": [
                        "cpe:2.3:a:elixir-lang:elixir:*:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "modules": [
                        "'Elixir.Version'",
                        "'Elixir.Version.Parser'"
                    ],
                    "packageName": "elixir-lang/elixir",
                    "packageURL": "pkg:github/elixir-lang/elixir",
                    "product": "elixir",
                    "programFiles": [
                        "lib/elixir/lib/version.ex"
                    ],
                    "programRoutines": [
                        {
                            "name": "'Elixir.Version':parse/1"
                        },
                        {
                            "name": "'Elixir.Version':parse!/1"
                        },
                        {
                            "name": "'Elixir.Version':match?/3"
                        },
                        {
                            "name": "'Elixir.Version':compare/2"
                        },
                        {
                            "name": "'Elixir.Version':parse_requirement/1"
                        },
                        {
                            "name": "'Elixir.Version.Parser':parse_version/2"
                        },
                        {
                            "name": "'Elixir.Version.Parser':parse_digits/2"
                        },
                        {
                            "name": "'Elixir.Version.Parser':require_digits/1"
                        },
                        {
                            "name": "'Elixir.Version.Parser':convert_parts_to_integer/2"
                        }
                    ],
                    "repo": "https://github.com/elixir-lang/elixir",
                    "vendor": "elixir-lang",
                    "versions": [
                        {
                            "changes": [
                                {
                                    "at": "c64417d72fd5c7d09e963ca3ac5fa2b140978d9e",
                                    "status": "unaffected"
                                },
                                {
                                    "at": "64e6707233464c3e55a9ca6b44019aed25b0390a",
                                    "status": "unaffected"
                                }
                            ],
                            "lessThan": "*",
                            "status": "affected",
                            "version": "057691722eb8cfe315f5606358954a2b173ff7a3",
                            "versionType": "git"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

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Sources read 11 Nov 15:16 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current