Threats Tagged 'ghsa-gggh-4cvh-v637'
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Threats Tagged 'ghsa-gggh-4cvh-v637'
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A vulnerability in Bouncy Castle for Java before version 1.86 allows acceptance of a public key constructed on a non-canonical elliptic curve that shares the BLS12-381 field characteristic but is not a valid G1 point. This flaw affects key validation in BLS12_381BasicScheme and related classes, enabling aggregate signature verification to accept signatures including phantom signers. The issue arises only if an application explicitly constructs ECPoints on non-canonical curves and accepts them as valid keys; the standard compressed-point decoder is unaffected. Join the discussion | GCVE Database | 10/03/2026, 09:31:18 UTC Added: 10/03/2026, 17:21:01 UTC |
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