CVE-2026-116131

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{"affected": [{"affectedData": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "modules": ["HTTP::Body"], "packageName": "HTTP-Body", "packageURL": "pkg:cpan/HTTP-Body", "programFiles": ["lib/HTTP/Body/UrlEncoded.pm", "lib/HTTP/Body/MultiPart.pm"], "programRoutines": [{"name": "HTTP::Body::UrlEncoded::spin"}, {"name": "HTTP::Body::MultiPart::parse_boundary"}], "repo": "https://github.com/libwww-perl/HTTP-Body", "versions": [{"lessThan": "1.23_01", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "HTTP::Body versions before 1.23_01 for Perl allow memory and temporary file exhaustion via an unlimited number of form fields and multipart parts.\n\nThe urlencoded parser splits the whole body on its separators at once, creating one scalar per separator before any field is stored. This costs about 90 bytes of memory per separator byte. The multipart parser creates a temporary file for every part that carries a filename. Neither parser limits how many fields or parts a body may hold.\n\nA remote attacker can exhaust worker memory with a body made of separators, or create thousands of temporary files with one request of small file parts."}], "id": "CVE-2026-116131", "lastModified": "2026-11-05T20:17:43.290", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-116131", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T19:29:56.190509Z", "version": "2.0.3"}}]}, "published": "2026-10-28T18:17:12.223", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/libwww-perl/HTTP-Body/commit/47beca524a3062eacfd646664576f005fb4be19b.patch"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://metacpan.org/release/GETTY/HTTP-Body-1.24/changes"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

{"bugzilla": {"description": "perl-http-body: HTTP::Body: Denial of Service via unbounded form fields and multipart parts", "id": "2563033", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2563033"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["HTTP::Body versions before 1.23_01 for Perl allow memory and temporary file exhaustion via an unlimited number of form fields and multipart parts.\nThe urlencoded parser splits the whole body on its separators at once, creating one scalar per separator before any field is stored. This costs about 90 bytes of memory per separator byte. The multipart parser creates a temporary file for every part that carries a filename. Neither parser limits how many fields or parts a body may hold.\nA remote attacker can exhaust worker memory with a body made of separators, or create thousands of temporary files with one request of small file parts.", "A flaw was found in HTTP::Body. The module fails to limit the number of form fields or multipart parts processed in incoming request bodies. A remote attacker can exploit this vulnerability by sending a specially crafted request containing an excessive number of separators or file parts. This can exhaust system memory or create large numbers of temporary files, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-116131", "public_date": "2026-10-28T17:14:43Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-116131\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-116131\nhttps://github.com/libwww-perl/HTTP-Body/commit/47beca524a3062eacfd646664576f005fb4be19b.patch\nhttps://metacpan.org/release/GETTY/HTTP-Body-1.24/changes"], "statement": "This vulnerability is rated as an Important severity because unauthenticated remote attackers can trigger a denial of service without requiring privileges or prior authentication. In Red Hat environments, the perl-HTTP-Body module is used by Perl-based web services to process HTTP request payloads. Because the parser does not restrict the volume of incoming payload fields or parts, processing malicious requests can exhaust worker memory or fill storage with temporary files, causing the hosting web application to crash or become unresponsive.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.23_01)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "http-body", "vendor": "libwww-perl"}], "created": "2026-10-28T19:00:23.217815+00:00", "updated": "2026-11-05T21:45:05.123436+00:00", "vendors": ["libwww-perl", "libwww-perl$PRODUCT$http-body"]}