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CVE-2026-44697

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 vul
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c348bf1cac62c47a1d23cf3be4392eb142d902808681e291595ed2eb90d303b2
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fb63ad3b841d5bd9a27fd7ec3e3eab9c2bc3c77d4cea4f0fe20f64f0184a6d91 · sha256:797c16078557b6c9… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-409","description":"CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fb63ad3b841d5bd9a27fd7ec3e3eab9c2bc3c77d4cea4f0fe20f64f0184a6d91 · sha256:797c16078557b6c9… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"klever-go","vendor":"klever-io","versions":[{"status":"affected","version":"< 1.7.17"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fb63ad3b841d5bd9a27fd7ec3e3eab9c2bc3c77d4cea4f0fe20f64f0184a6d91 · sha256:797c16078557b6c9… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"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"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fb63ad3b841d5bd9a27fd7ec3e3eab9c2bc3c77d4cea4f0fe20f64f0184a6d91 · sha256:797c16078557b6c9… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fb63ad3b841d5bd9a27fd7ec3e3eab9c2bc3c77d4cea4f0fe20f64f0184a6d91 · sha256:797c16078557b6c9… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-409","description":"CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fb63ad3b841d5bd9a27fd7ec3e3eab9c2bc3c77d4cea4f0fe20f64f0184a6d91 · sha256:797c16078557b6c9… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"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"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fb63ad3b841d5bd9a27fd7ec3e3eab9c2bc3c77d4cea4f0fe20f64f0184a6d91 · sha256:797c16078557b6c9… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/klever-io/klever-go/security/advisories/GHSA-87m7-qffr-542v"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fb63ad3b841d5bd9a27fd7ec3e3eab9c2bc3c77d4cea4f0fe20f64f0184a6d91 · sha256:797c16078557b6c9… · /containers/adp/0/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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