PT-2023-29183 · Consensys · Gnark-Crypto

Thomaspiellard · Published 2023-09-27 · Updated 2025-10-30 · CVE-2023-44273

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Consensys gnark-crypto versions 0.11.2 and earlier

Description The issue occurs due to the deserialisation of EdDSA and ECDSA signatures not ensuring that the data is in a certain interval, allowing Signature Malleability.

Recommendations For Consensys gnark-crypto versions 0.11.2 and earlier, consider updating to a version that fixes the deserialisation issue of EdDSA and ECDSA signatures to prevent Signature Malleability. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Verification of Cryptographic Signature

Deserialization of Untrusted Data

Weakness Enumeration

CWE-347

CWE-502

Related Identifiers

CVE-2023-44273

GHSA-9XFQ-8J3R-XP5G

GHSA-FR8M-434R-G3XP

GO-2023-2096

GO-2025-4027

Affected Products

Gnark-Crypto

References · 18

• https://github.com/Consensys/gnark-crypto/pull/449 · Patch
• https://osv.dev/vulnerability/CVE-2023-44273 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-44273 · Security Note
• https://osv.dev/vulnerability/GO-2025-4027 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-9xfq-8j3r-xp5g · Vendor Advisory
• https://osv.dev/vulnerability/GO-2023-2096 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-fr8m-434r-g3xp · Vendor Advisory
• https://github.com/Consensys/gnark-crypto/releases · Note
• https://github.com/Consensys/gnark-crypto/security/advisories/GHSA-fr8m-434r-g3xp · Note
• https://github.com/Consensys/gnark-crypto/releases/tag/v0.12.0 · Note
• https://github.com/Consensys/gnark-crypto · Note
• https://verichains.io · Note
• https://go.dev/blog/defer-panic-and-recover · Note
• https://twitter.com/CVEnew/status/1707242101245694392 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1707269092393037973 · Twitter Post