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EUVD-2026-203320

fkie_cve-2024-51502

loona is an experimental, HTTP/1.1 and HTTP/2 implementation in Rust on top of io-uring. `loona-hpack` suffers from the same vulnerability as the original `hpack` as documented in issue #11. All users who try to decode untrusted input using the Decoder are vulnerable to this exploit. This issue has been addressed in release version 0.4.3. All users are advised to upgrade. There are no known workarounds for this vulnerability.

GHSA-7vm6-qwh5-9x44 — loona-hpack Panic Vulnerability

Affected: crates.io: loona-hpack

### Summary `loona-hpack` suffers from the same vulnerability as the original `hpack` as documented in https://github.com/mlalic/hpack-rs/issues/11

### Details The original includes a very nice description of the problem, as well as an easy-enough fix for it.

### PoC The original example pretty much still applies: ```rust use loona_hpack::Decoder;

pub fn main() { let input = &[0x3f]; let mut decoder = Decoder::new(); let _ = decoder.decode(input); } ```

### Impact From the original: `All users who try to decode untrusted input using the Decoder are vulnerable to this exploit. A patched version of the crate is available on [crates.io](https://crates.io/crates/hpack-patched) under the name hpack-patched. See [Cargo's documentation on overriding dependencies](https://doc.rust-lang.org/cargo/reference/overriding-dependencies.html) for more information.`