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vuln-cve/data/2026/76xxx/CVE-2026-76445.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-76445",
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"state": "PUBLISHED",
"assignerShortName": "cisco",
"dateReserved": "2026-08-19T12:02:03.635Z",
"datePublished": "2026-10-21T16:14:39.374Z",
"dateUpdated": "2026-10-22T19:11:11.783Z"
},
"containers": {
"cna": {
"title": "Multiple Cisco Products Snort 3 Denial of Service Vulnerability",
"metrics": [
{
"format": "cvssV3_1",
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "LOW"
}
}
],
"descriptions": [
{
"lang": "en",
"value": "Multiple Cisco products are affected by a vulnerability in the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause the detection engine to unexpectedly restart, resulting in a denial of service (DoS) condition.\r\n\r\nThe vulnerability is due to a flaw in logic handling when General Packet Radio Service (GPRS) Tunneling Protocol (GTP) extension headers are processed within the codec. An attacker could exploit this vulnerability by sending a crafted, fragmented UDP datagram that contains these headers to the Snort 3 Detection Engine of an affected device. A successful exploit could allow the attacker to cause the detection engine to enter an infinite loop, resulting in a DoS condition."
}
],
"references": [
{
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort3-gtpcodec-dos-Rmecfepz",
"name": "cisco-sa-snort3-gtpcodec-dos-Rmecfepz"
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
}
],
"source": {
"advisory": "cisco-sa-snort3-gtpcodec-dos-Rmecfepz",
"discovery": "INTERNAL",
"defects": [
"CSCwu17795"
]
},
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "Loop with Unreachable Exit Condition ('Infinite Loop')",
"type": "cwe",
"cweId": "CWE-835"
}
]
}
],
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