CVE-2023-44273

critical

Description

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.

References

https://verichains.io

https://github.com/Consensys/gnark-crypto/releases

https://github.com/Consensys/gnark-crypto/pull/449

Details

Source: Mitre, NVD

Published: 2023-09-28

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H