Is protobuf affected by CVE-2025-53605?

crates.io protobuf is affected in <3.7.2.

Is CVE-2025-53605 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

medium

CVE-2025-53605

Q: Is CVE-2025-53605 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

crates.io · protobuf

Summary

Crash due to uncontrolled recursion in protobuf crate

Severity: medium
EPSS: 0.4% (p30)
Also known as: GHSA-2gh3-rmm4-6rq5, RUSTSEC-2024-0437
Published: 2025-03-07

References

https://nvd.nist.gov/vuln/detail/CVE-2025-53605
https://github.com/stepancheg/rust-protobuf/issues/749
https://github.com/stepancheg/rust-protobuf/commit/f06992f46771c0a092593b9ebf7afd48740b3ed6

Related advisories

CVE-2026-0994 — high · PyPI/protobuf
CVE-2025-4565 — high · PyPI/protobuf

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.