CVE-2025-52484: zkVM Underconstrained Vulnerability

CVE-2025-52484 · Severity: medium · CVSS 4 · Published 2025-06-20

zkVM Underconstrained Vulnerability

Technologies: risc0-zkvm (crates.io). Vendors: crates.io.

Quick answers

Is CVE-2025-52484 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-52484 being exploited in the wild.
How severe is CVE-2025-52484?
Medium severity, with a CVSS score of 4, published 20 June 2025.
Which products and versions are affected?
risc0-circuit-rv32im (crates.io) SEMVER:introduced=2.0.0,fixed=2.0.4; risc0-zkvm (crates.io) SEMVER:introduced=2.0.0,fixed=2.1.0.
Is there a fix for CVE-2025-52484?
Yes. risc0-circuit-rv32im (crates.io): upgrade to 2.0.4 or later; risc0-zkvm (crates.io): upgrade to 2.1.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-52484?
Check whether you run risc0-circuit-rv32im (crates.io) or risc0-zkvm (crates.io) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • risc0-circuit-rv32im (crates.io): upgrade to 2.0.4 or later
    cargo update -p risc0-circuit-rv32im
  • risc0-zkvm (crates.io): upgrade to 2.1.0 or later
    cargo update -p risc0-zkvm

Affected products

  • risc0-circuit-rv32im (crates.io) SEMVER:introduced=2.0.0,fixed=2.0.4
  • risc0-zkvm (crates.io) SEMVER:introduced=2.0.0,fixed=2.1.0

Identifiers

  • CVE-2025-52484
  • GHSA-g3qg-6746-3mg9

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