CVE-2025-53605: RUSTSEC-2024-0437 - Crash due to uncontrolled recursion in protobuf crate

CVE-2025-53605 · Severity: medium · CVSS 4 · Published 2024-12-12

Crash due to uncontrolled recursion in protobuf crate

Technologies: protobuf (crates.io). Vendors: crates.io.

Quick answers

Is CVE-2025-53605 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-53605 being exploited in the wild.
How severe is CVE-2025-53605?
Medium severity, with a CVSS score of 4, published 12 December 2024.
Which products and versions are affected?
protobuf (crates.io) SEMVER:introduced=0,fixed=3.7.2, SEMVER:introduced=0.0.0-0,fixed=3.7.2.
Is there a fix for CVE-2025-53605?
Yes. protobuf (crates.io): upgrade to 3.7.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-53605?
Check whether you run protobuf (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

  • protobuf (crates.io): upgrade to 3.7.2 or later
    cargo update -p protobuf

Affected products

  • protobuf (crates.io) SEMVER:introduced=0,fixed=3.7.2, SEMVER:introduced=0.0.0-0,fixed=3.7.2

Identifiers

  • CVE-2025-53605
  • GHSA-2gh3-rmm4-6rq5
  • RUSTSEC-2024-0437

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