{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54332", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-12T19:23:22.316Z", "datePublished": "2026-07-28T16:17:48.796Z", "dateUpdated": "2026-07-28T17:28:21.158Z"}, "containers": {"cna": {"title": "GoPacket's sFlow ExtendedGatewayFlow decoder: unbounded attacker-controlled allocation (104-byte UDP datagram -> up to 16 GiB make) -> unauthenticated remote DoS", "problemTypes": [{"descriptions": [{"cweId": "CWE-770", "lang": "en", "description": "CWE-770: Allocation of Resources Without Limits or Throttling", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/gopacket/gopacket/security/advisories/GHSA-g6v3-7xmc-w563", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/gopacket/gopacket/security/advisories/GHSA-g6v3-7xmc-w563"}, {"name": "https://github.com/gopacket/gopacket/commit/76119086f5936aacd7088bdf97d565501bb6c4cc", "tags": ["x_refsource_MISC"], "url": "https://github.com/gopacket/gopacket/commit/76119086f5936aacd7088bdf97d565501bb6c4cc"}, {"name": "https://github.com/gopacket/gopacket/releases/tag/v1.6.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/gopacket/gopacket/releases/tag/v1.6.1"}], "affected": [{"vendor": "gopacket", "product": "gopacket", "versions": [{"version": "< 1.6.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-28T16:17:48.796Z"}, "descriptions": [{"lang": "en", "value": "gopacket provides packet processing capabilities for Go. In version 1.6.0 and earlier, the sFlow ExtendedGatewayFlow decoder in layers/sflow.go reads an attacker-controlled 32-bit community count and AS path member count and sizes a slice allocation from those counts without bounding them against the bytes remaining in the datagram, so a 104-byte UDP datagram can drive an allocation of up to 16 GiB and cause an unauthenticated remote denial of service. This issue is fixed in version 1.6.1."}], "source": {"advisory": "GHSA-g6v3-7xmc-w563", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/gopacket/gopacket/security/advisories/GHSA-g6v3-7xmc-w563", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-28T17:28:10.356746Z", "id": "CVE-2026-54332", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-28T17:28:21.158Z"}}]}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.6.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "gopacket", "source": "cna", "vendor": "gopacket"}, "product": "gopacket", "vendor": "gopacket"}], "created": "2026-07-28T20:34:13.018774+00:00", "updated": "2026-07-28T20:34:13.018824+00:00", "vendors": ["gopacket", "gopacket$PRODUCT$gopacket"]}