cve.bz

CVE-2023-44273

9.8 criticalEPSS 1.1%

Critical (9.8) in consensys gnark-crypto. EPSS 1.1% chance of exploitation in the next 30 days. Fixed in github.com/consensys/gnark-crypto 0.12.0.

Consensys gnark-crypto through 0.11.2 allows Signature Malleability. This occurs because deserialisation of EdDSA and ECDSA signatures does not ensure that the data is in a certain interval.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
CWE
CWE-502
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-fr8m-434r-g3xpGogithub.com/consensys/gnark-crypto<0.12.00.12.0
GO-2023-2096Gogithub.com/consensys/gnark-crypto<0.12.00.12.0
GO-2025-4027Gogithub.com/consensys/gnark-crypto<0.12.00.12.0

References

Check your stackJSON