GO-2025-3912

vendorUSosv

Gnark is vulnerable to signature malleability in EdDSA and ECDSA due to missing scalar checks in github.com/consensys/gnark

view advisory published 2025-08-29Licence: per source

Gnark is vulnerable to signature malleability in EdDSA and ECDSA due to missing scalar checks in github.com/consensys/gnark

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2025-57801UScritical9.1—
gnark is a zero-knowledge proof system framework. In versions prior to 0.14.0, the Verify function in eddsa.go and ecdsa.go used the S value from a signature without asserting that…
02

references

External citations — patches, advisories, analysis.

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