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Critical

Security advisory

Type: advisorySources: OSVCVE: CVE-2017-11721

Buffer overflow in ioquake3 before 2017-08-02 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted packet.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2017-11721
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 12:11 UTC · Revision 1

Source evidence

CVE-2017-11721

core-osv · Original source

Published 3 Aug 2017, 08:29 UTC

Buffer overflow in ioquake3 before 2017-08-02 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted packet.

osv:CVE-2017-11721
Complete source record
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  "url": "https://osv.dev/vulnerability/CVE-2017-11721",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-11721",
    "summary": "Buffer overflow in ioquake3 before 2017-08-02 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted packet.",
    "evidence": "osv:CVE-2017-11721",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2017-11721",
      "aliases": [
        "CVE-2017-11721"
      ],
      "metrics": [
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          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
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      "affected": [
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              "type": "GIT",
              "events": [
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                    "source": "REFERENCES_COMMIT"
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      "modified": "2026-10-20T13:19:02.152476896Z",
      "provider": "osv",
      "references": [
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        "value": "CVE-2017-11721",
        "evidence": "/id"
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  "source_id": "core-osv",
  "document_id": 387491,
  "published_at": "2017-08-03T08:29:00.257+00:00"
}