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CVE-2026-46471

Full vulnerability record from the local CVENow database.

Description

An issue was discovered in GStreamer gst-plugins-good before 1.28.2. While parsing an MP4 file, the isomp4 plugin's qtdemux_parse_uuid function may read past the end of a heap-allocated buffer, allowing an attacker to disclose heap memory contents.

Severity
MEDIUM
CVSS score
5.5 (v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-10-16 16:18:11.513000
Last modified
2026-10-19 16:17:07.960000
View original CVE JSON
{
  "id": "CVE-2026-46471",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-16T16:18:11.513",
  "lastModified": "2026-10-19T16:17:07.960",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in GStreamer gst-plugins-good before 1.28.2. While parsing an MP4 file, the isomp4 plugin's qtdemux_parse_uuid function may read past the end of a heap-allocated buffer, allowing an attacker to disclose heap memory contents."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "version": "n/a",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-19T15:30:04.819052Z",
          "id": "CVE-2026-46471",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-126"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/atredispartners/advisories/blob/master/2026/ATREDIS-2026-0004.md",
      "source": "[email protected]"
    },
    {
      "url": "https://gstreamer.freedesktop.org/security/sa-2026-0002.html",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/atredispartners/advisories/blob/master/2026/ATREDIS-2026-0004.md",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ]
}