# CVE-2025-53605: The protobuf crate before 3.7.2 for Rust allows uncontrolled recursion in the protobuf::coded_input_stream::CodedInputStream::skip_group parsing of unknown fields in untrusted input.

CVE-2025-53605 is fixed in 22 products on 1 platform, first by DEBIAN-CVE-2025-53605, released July 5, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-53605
- Priority: Routine
- CVSS: 5.9 (Moderate)
- EPSS: 0.0047
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 5, 2025
- Weakness: Uncontrolled Recursion
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53605

## Description

The protobuf crate before 3.7.2 for Rust allows uncontrolled recursion in the protobuf::coded_input_stream::CodedInputStream::skip_group parsing of unknown fields in untrusted input.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | cargo amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | cargo-debuginfo amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | clippy amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | clippy-debuginfo amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | rust amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | rust-analyzer amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | rust-analyzer-debuginfo amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | rust-debugger-common amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | rust-debuginfo amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | rust-debugsource amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | rust-doc amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | rust-gdb amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | rust-lldb amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | rust-protobuf Debian 14 | 3.7.2-1 | [DEBIAN-CVE-2025-53605](https://patchblox.com/security/data/fix/linux/debian-cve-2025-53605.md) | Jul 5, 2025 |
| Linux | rust-src amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | rust-std-static amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | rust-std-static-wasm32-unknown-unknown amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | rust-std-static-wasm32-wasip1 amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | rust-toolset amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | rust-toolset-srpm-macros amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | rustfmt amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |
| Linux | rustfmt-debuginfo amzn 2023 | 1.88.0-1.amzn2023.0.2 | [ALAS2023-2025-1092](https://patchblox.com/security/data/fix/linux/alas2023-2025-1092.md) | Jul 21, 2025 |

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Data as of 2026-11-09T01:18:40Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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