{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-44697", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-07T17:07:09.316Z", "datePublished": "2026-05-29T17:14:43.465Z", "dateUpdated": "2026-07-21T19:50:26.647Z" }, "containers": { "cna": { "title": "Klever-Go MultiDataInterceptor: remote OOM via crafted compressed P2P payload", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-409", "lang": "en", "description": "CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-770", "lang": "en", "description": "CWE-770: Allocation of Resources Without Limits or Throttling", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1" } } ], "references": [ { "name": "https://github.com/klever-io/klever-go/security/advisories/GHSA-87m7-qffr-542v", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/klever-io/klever-go/security/advisories/GHSA-87m7-qffr-542v" } ], "affected": [ { "vendor": "klever-io", "product": "klever-go", "versions": [ { "version": "< 1.7.17", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-21T19:50:26.647Z" }, "descriptions": [ { "lang": "en", "value": "Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.17, a remote, unauthenticated denial-of-service vulnerability in Batch.Decompress (data/batch/batch.go) allows any peer that participates in a topic served by MultiDataInterceptor to allocate multi-gigabyte heaps on the receiving node from a sub-50 KiB gossip payload. A single packet is sufficient to OOM-kill a validator with conventional memory provisioning. Fleet-wide application affects chain liveness. This vulnerability is fixed in 1.7.17." } ], "source": { "advisory": "GHSA-87m7-qffr-542v", "discovery": "UNKNOWN" } }, "adp": [ { "references": [ { "url": "https://github.com/klever-io/klever-go/security/advisories/GHSA-87m7-qffr-542v", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-06-02T01:46:56.436900Z", "id": "CVE-2026-44697", "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": "2026-06-02T01:47:29.036Z" } } ] } }