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GStreamer OGG File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

Type: advisorySources: OSV

GStreamer OGG File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of OGG files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29584.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-18297
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 11:25 UTC · Revision 1

Source evidence

GStreamer OGG File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

core-osv · Original source

Published 20 Aug 2026, 16:22 UTC

GStreamer OGG File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of OGG files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29584.

osv:CVE-2026-18297
Complete source record
{
  "id": "edb395a052ce6d90dbd34f0f5a939be46b9a60357926eef980b05271094c1fb1",
  "url": "https://osv.dev/vulnerability/CVE-2026-18297",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "GStreamer OGG File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability",
    "summary": "GStreamer OGG File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of OGG files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29584.",
    "evidence": "osv:CVE-2026-18297",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-18297",
      "aliases": [
        "CVE-2026-18297"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
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      "affected": [
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            "CHANGELOG_START",
            "BRANCH-GSTREAMER-0_8-ROOT",
            "BRANCH-GSTREAMER-0_6-ROOT",
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-18297.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:28.178745309Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18297.json",
        "https://gstreamer.freedesktop.org/security/sa-2026-0053.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-18297",
        "https://www.zerodayinitiative.com/advisories/ZDI-26-465/"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-121"
        ],
        "cna_assigner": "zdi",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
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                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
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      }
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    "related_cves": [
      {
        "value": "CVE-2026-18297",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 494943,
  "published_at": "2026-08-20T16:22:17.701+00:00"
}