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GHSA-FRRH-CV34-87PX

Vulnerability from github – Published: 2026-10-25 18:31 – Updated: 2026-10-25 18:31

Details

Starman versions before 0.4019 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies.

The chunked body decoder keeps each chunk in memory until the whole chunk and its CRLF have arrived, and sets no limit on the length of a chunk-size line. A client that declares a huge chunk size and streams data, or sends a chunk-size line that never ends, grows the buffer for as long as it keeps sending.

A remote attacker can exhaust worker memory with a single connection.

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-115824"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-770"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-25T17:17:01Z",
    "severity": null
  },
  "details": "Starman versions before 0.4019 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies.\n\nThe chunked body decoder keeps each chunk in memory until the whole chunk and its CRLF have arrived, and sets no limit on the length of a chunk-size line. A client that declares a huge chunk size and streams data, or sends a chunk-size line that never ends, grows the buffer for as long as it keeps sending.\n\nA remote attacker can exhaust worker memory with a single connection.",
  "id": "GHSA-frrh-cv34-87px",
  "modified": "2026-10-25T18:31:41Z",
  "published": "2026-10-25T18:31:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-115824"
    },
    {
      "type": "WEB",
      "url": "https://github.com/miyagawa/Starman/commit/0f33f9b132b5e410d6cce722ff71988e22476acf.patch"
    },
    {
      "type": "WEB",
      "url": "https://github.com/miyagawa/Starman/commit/d789a02dbe5408ef5f7a4659078d0008dd84c308.patch"
    },
    {
      "type": "WEB",
      "url": "https://metacpan.org/release/MIYAGAWA/Starman-0.4019/changes"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-115824 (GCVE-0-2026-115824)

Vulnerability from cvelistv5 – Published: 2026-10-25 16:51 – Updated: 2026-10-25 16:51

Title

Starman versions before 0.4019 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies

Summary

Starman versions before 0.4019 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies. The chunked body decoder keeps each chunk in memory until the whole chunk and its CRLF have arrived, and sets no limit on the length of a chunk-size line. A client that declares a huge chunk size and streams data, or sends a chunk-size line that never ends, grows the buffer for as long as it keeps sending. A remote attacker can exhaust worker memory with a single connection.

Severity

No CVSS data available.

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

CPANSec CNA under the redhat root

CNA scorecard C 63/100 over 298 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/miyagawa/Starman/commit/d789a0…	patch
https://github.com/miyagawa/Starman/commit/0f33f9…	patch
https://metacpan.org/release/MIYAGAWA/Starman-0.4…	release-notes

Impacted products

1 product

Vendor	Product	Version
		Affected: 0 , < 0.4019 (custom)

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JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "modules": [
            "Starman"
          ],
          "packageName": "Starman",
          "packageURL": "pkg:cpan/Starman",
          "programFiles": [
            "lib/Starman/Server.pm"
          ],
          "programRoutines": [
            {
              "name": "Starman::Server::_prepare_env"
            }
          ],
          "repo": "https://github.com/miyagawa/Starman",
          "versions": [
            {
              "lessThan": "0.4019",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Starman versions before 0.4019 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies.\n\nThe chunked body decoder keeps each chunk in memory until the whole chunk and its CRLF have arrived, and sets no limit on the length of a chunk-size line. A client that declares a huge chunk size and streams data, or sends a chunk-size line that never ends, grows the buffer for as long as it keeps sending.\n\nA remote attacker can exhaust worker memory with a single connection."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-770",
              "description": "CWE-770 Allocation of Resources Without Limits or Throttling",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-25T16:51:39.510Z",
        "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
        "shortName": "CPANSec"
      },
      "references": [
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/miyagawa/Starman/commit/d789a02dbe5408ef5f7a4659078d0008dd84c308.patch"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/miyagawa/Starman/commit/0f33f9b132b5e410d6cce722ff71988e22476acf.patch"
        },
        {
          "tags": [
            "release-notes"
          ],
          "url": "https://metacpan.org/release/MIYAGAWA/Starman-0.4019/changes"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to Starman 0.4019 or later."
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Starman versions before 0.4019 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies",
      "x_generator": {
        "engine": "cpansec-cna-tool 0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
    "assignerShortName": "CPANSec",
    "cveId": "CVE-2026-115824",
    "datePublished": "2026-10-25T16:51:39.510Z",
    "dateReserved": "2026-10-23T16:47:20.192Z",
    "dateUpdated": "2026-10-25T16:51:39.510Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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