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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| stepancheg | protobuf | < 3.7.2 | 3.7.2 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | rust-protobuf | 3.7.2-1 | — |
| Debian 12 | rust-protobuf | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | rust-protobuf | No fix yet | — |
| Ubuntu 26.04 LTS | rust-protobuf | No fix yet | — |
| Ubuntu 25.10 | rust-protobuf | No fix yet | — |
| Ubuntu 24.04 LTS | rust-protobuf | No fix yet | — |
| Ubuntu 22.04 LTS | rust-protobuf | No fix yet | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | rust +14 | 1.88.0-1.amzn2023.0.2 | ALAS2023-2025-1092 |
| Amazon Linux 2 | rust +11 | 1.86.0-1.amzn2.0.2 | ALAS2-2025-2933 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | kata-containers | 3.19.1.kata2-1 | — |
| Azure Linux 3 | rust | 1.75.0-17 | — |
| Azure Linux 2 (CBL-Mariner) | kata-containers +1 | No fix yet | — |
| Azure Linux 2 (CBL-Mariner) | rust | 1.72.0-11 | — |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | parseable | 2.5.5-r0 | — |
| Wolfi rolling | qdrant | 1.18.0-r0 | — |
| Wolfi rolling | rust-analyzer | 20260427-r0 | — |
| Wolfi rolling | yara-x | 0.13.0-r2 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| crates.io | protobuf | < 3.7.2 | 3.7.2 | GHSA-2gh3-rmm4-6rq5 |
| crates.io | protobuf | >= 0.0.0-0, < 3.7.2 | 3.7.2 | RUSTSEC-2024-0437 |
Advisories 2
- ALAS2023-2025-1092 Moderate: rust security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Aug 8, 2025
- ALAS2-2025-2933 Moderate: rust security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jul 30, 2025