Threats Tagged 'cve-2026-55764'
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Threats Tagged 'cve-2026-55764'
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CVE-2026-55764: CWE-190: Integer Overflow or Wraparound in klever-io klever-goCVE-2026-55764 0 Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.19, Klever-Go allows a mint-role holder to bypass a finite per-nonce MaxSupply on the semi-fungible token add-quantity path. In core/kapp/systemAccount/systemAcount.go, SFTAddCirculation performed meta.Circulation += amount before evaluating whether Circulation exceeded MaxSupply, without checking for signed int64 overflow. A large positive raw Amount supplied through processSemiFungibleAddQuantity in core/kapp/kda/mint.go can wrap Circulation negative, causing the signed maximum-supply comparison to pass and crediting approximately MaxInt64 units while corrupting the on-chain counter. The fungible path is not affected because its MintedValue <= 0 guard detects the overflow. The correction uses the consensus activation flag FixMarketBuyOverflow. This issue is fixed in version 1.7.19. Join the discussion | CVE Database V5 | 08/28/2026, 22:08:27 UTC Added: 08/28/2026, 22:22:46 UTC |
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