A heap buffer overflow in the avbprintfinalize() function of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.
{
"sources": [
{
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-30999",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-30999",
"database_specific": {
"status": "Analyzed"
},
"published": "2026-04-13T15:17:32.827Z",
"id": "CVE-2026-30999",
"imported": "2026-06-26T19:19:07.790Z",
"modified": "2026-06-17T10:33:17.660Z"
}
],
"license": "CC-BY-4.0"
}