Description
An issue was discovered in the serde_cbor crate before 0.10.2 for Rust. The CBOR deserializer can cause stack consumption via nested semantic tags.
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | rust-serde-cbor | No fix yet | — |
| Ubuntu 26.04 LTS | rust-serde-cbor | No fix yet | — |
| Ubuntu 25.10 | rust-serde-cbor | No fix yet | — |
| Ubuntu 24.04 LTS | rust-serde-cbor | No fix yet | — |
| Ubuntu 22.04 LTS | rust-serde-cbor | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| crates.io | serde_cbor | < 0.10.2 | 0.10.2 | GHSA-xr7r-88qv-q7hm |
| crates.io | serde_cbor | >= 0.0.0-0, < 0.10.2 | 0.10.2 | RUSTSEC-2019-0025 |