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CVE-2026-5317

Full vulnerability record from the local CVENow database.

Description

A security flaw has been discovered in Nothings stb up to 1.22. This affects the function start_decoder of the file stb_vorbis.c. The manipulation results in out-of-bounds write. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Severity
LOW
CVSS score
2.1 (v4.0)
Vulnerability status
Analyzed
Source identifier
Published
2026-04-02 01:16:01.847000
Last modified
2026-10-26 22:10:00.163000
View original CVE JSON
{
  "id": "CVE-2026-5317",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-02T01:16:01.847",
  "lastModified": "2026-10-26T22:10:00.163",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A security flaw has been discovered in Nothings stb up to 1.22. This affects the function start_decoder of the file stb_vorbis.c. The manipulation results in out-of-bounds write. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way."
    },
    {
      "lang": "es",
      "value": "Una falla de seguridad ha sido descubierta en Nothings stb hasta 1.22. Esto afecta la función start_decoder del archivo stb_vorbis.c. La manipulación resulta en escritura fuera de límites. El ataque puede ser realizado desde remoto. El exploit ha sido publicado al público y puede ser usado para ataques. El proveedor fue contactado tempranamente sobre esta divulgación pero no respondió de ninguna manera."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Nothings",
          "product": "stb",
          "versions": [
            {
              "version": "1.0",
              "status": "affected"
            },
            {
              "version": "1.1",
              "status": "affected"
            },
            {
              "version": "1.2",
              "status": "affected"
            },
            {
              "version": "1.3",
              "status": "affected"
            },
            {
              "version": "1.4",
              "status": "affected"
            },
            {
              "version": "1.5",
              "status": "affected"
            },
            {
              "version": "1.6",
              "status": "affected"
            },
            {
              "version": "1.7",
              "status": "affected"
            },
            {
              "version": "1.8",
              "status": "affected"
            },
            {
              "version": "1.9",
              "status": "affected"
            },
            {
              "version": "1.10",
              "status": "affected"
            },
            {
              "version": "1.11",
              "status": "affected"
            },
            {
              "version": "1.12",
              "status": "affected"
            },
            {
              "version": "1.13",
              "status": "affected"
            },
            {
              "version": "1.14",
              "status": "affected"
            },
            {
              "version": "1.15",
              "status": "affected"
            },
            {
              "version": "1.16",
              "status": "affected"
            },
            {
              "version": "1.17",
              "status": "affected"
            },
            {
              "version": "1.18",
              "status": "affected"
            },
            {
              "version": "1.19",
              "status": "affected"
            },
            {
              "version": "1.20",
              "status": "affected"
            },
            {
              "version": "1.21",
              "status": "affected"
            },
            {
              "version": "1.22",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
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        "source": "[email protected]",
        "type": "Secondary",
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          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "baseScore": 2.1,
          "baseSeverity": "LOW",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "userInteraction": "PASSIVE",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "vulnAvailabilityImpact": "LOW",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
    ],
    "cvssMetricV31": [
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        "type": "Primary",
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          "confidentialityImpact": "HIGH",
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          "availabilityImpact": "HIGH"
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    ],
    "cvssMetricV2": [
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        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
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          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
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        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-02T13:11:33.728292Z",
          "id": "CVE-2026-5317",
          "options": [
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              "exploitation": "poc"
            },
            {
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            },
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              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        },
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "configurations": [
    {
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          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
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              "versionEndIncluding": "1.22",
              "matchCriteriaId": "4AA60C67-43EA-4568-8D67-616A44C3CD4B"
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  ],
  "references": [
    {
      "url": "https://gist.github.com/d0razi/2ff8a0e812f74dd6fe7f2843931bb90c",
      "source": "[email protected]",
      "tags": [
        "Exploit",
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    {
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      "source": "[email protected]",
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    {
      "url": "https://vuldb.com/vuln/354649",
      "source": "[email protected]",
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        "VDB Entry"
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    },
    {
      "url": "https://vuldb.com/vuln/354649/cti",
      "source": "[email protected]",
      "tags": [
        "Permissions Required",
        "VDB Entry"
      ]
    }
  ]
}