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CVE-2017-8312

Status: ModifiedMedium (5.5)—

Heap out-of-bound read in ParseJSS in VideoLAN VLC due to missing check of string length allows attackers to read heap uninitialized data via a crafted subtitles file.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Debian — Debian LinuxVideolan — VLC Media Player

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2017-8312",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@checkpoint.com",
      "affectedData": [
        {
          "vendor": "VideoLAN",
          "product": "VLC",
          "versions": [
            {
              "status": "affected",
              "version": "All"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-05-23T21:29:00.257",
  "references": [
    {
      "url": "http://git.videolan.org/?p=vlc.git%3Ba=blobdiff%3Bf=modules/demux/subtitle.c%3Bh=5e4fcdb7f25b2819f5441156c7c0ea2a7d112ca3%3Bhp=2a75fbfb7c3f56b24b2e4498bbb8fe0aa2575974%3Bhb=611398fc8d32f3fe4331f60b220c52ba3557beaa%3Bhpb=075bc7169b05b004fa0250e4a4ce5516b05487a9",
      "source": "cve@checkpoint.com"
    },
    {
      "url": "http://www.debian.org/security/2017/dsa-3899",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@checkpoint.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/98631",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@checkpoint.com"
    },
    {
      "url": "https://security.gentoo.org/glsa/201707-10",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@checkpoint.com"
    },
    {
      "url": "http://git.videolan.org/?p=vlc.git%3Ba=blobdiff%3Bf=modules/demux/subtitle.c%3Bh=5e4fcdb7f25b2819f5441156c7c0ea2a7d112ca3%3Bhp=2a75fbfb7c3f56b24b2e4498bbb8fe0aa2575974%3Bhb=611398fc8d32f3fe4331f60b220c52ba3557beaa%3Bhpb=075bc7169b05b004fa0250e4a4ce5516b05487a9",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2017/dsa-3899",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
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      "tags": [
        "Third Party Advisory",
        "VDB Entry"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.gentoo.org/glsa/201707-10",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Heap out-of-bound read in ParseJSS in VideoLAN VLC due to missing check of string length allows attackers to read heap uninitialized data via a crafted subtitles file."
    },
    {
      "lang": "es",
      "value": "Una lectura fuera del límite de la pila en ParseJSS en VideoLAN VLC debido a la falta de comprobación de longitud de la cadena permite a los atacantes leer datos no inicializados de la pila por medio de un archivo de subtítulos creado."
    }
  ],
  "lastModified": "2026-06-17T01:26:10.243",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:videolan:vlc_media_player:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2B2A32BA-56BB-429E-BD82-53DE10720894",
              "versionEndExcluding": "2.2.6"
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      "nodes": [
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          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "cve@checkpoint.com"
}