Description
The snow crate before 0.9.5 for Rust, when stateful TransportState is used, allows incrementing a nonce and thereby denying message delivery.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| mcginty | snow | < 0.9.5 | 0.9.5 |
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-snow | 0.9.6-1 | — |
| Debian 13 | rust-snow | 0.9.6-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | rust-snow | No fix yet | — |
| Ubuntu 26.04 LTS | rust-snow | No fix yet | — |
| Ubuntu 25.10 | rust-snow | No fix yet | — |
| Ubuntu 24.04 LTS | rust-snow | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| crates.io | snow | < 0.9.5 | 0.9.5 | GHSA-7g9j-g5jg-3vv3 |
| crates.io | snow | >= 0.0.0-0, < 0.9.5 | 0.9.5 | RUSTSEC-2024-0011 |