CVE-2025-58157: gnark DoS — Exploit & Fix

Description

gnark is a zero-knowledge proof system framework. In version 0.12.0, there is a potential denial of service vulnerability when computing scalar multiplication is using the fake-GLV algorithm. This is because the algorithm didn't converge quickly enough for some of the inputs. This issue has been patched in version 0.13.0.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

Affected Products

Vendor	Product	Versions
consensys	gnark	All

References

Advisories & Patches

https://github.com/Consensys/gnark-crypto/commit/56600883e0e9f9b159e9c7000b94e76185ec3d0d https://github.com/Consensys/gnark/commit/68be6cede36e387ab760725beabd3c96cc94e6dc https://github.com/Consensys/gnark/security/advisories/GHSA-9fvj-xqr2-xwg8

Exploits

https://github.com/Consensys/gnark/issues/1483

Frequently Asked Questions

What is CVE-2025-58157? +

gnark is a zero-knowledge proof system framework. In version 0.12.0, there is a potential denial of service vulnerability when computing scalar multiplication is using the fake-GLV algorithm. This is because the algorithm didn't converge quickly enough for some of the inputs. This issue has been patched in version 0.13.0. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-58157? +

CVE-2025-58157 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-58157? +

CVE-2025-58157 affects products from consensys, specifically: gnark. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-58157? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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