rust-quinn-proto: Quinn is a pure-Rust, async-compatible implementation of the IETF QUIC transport protocol
CVE-2026-25800 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-25800, released July 25, 2026. It is not reported as exploited. Patch Radar priority: High.
Quinn is a pure-Rust, async-compatible implementation of the IETF QUIC transport protocol. Starting in version 0.1.0 and prior to version 0.11.15, the `Assembler` component that assembles unordered stream fragments into consecutive chunks of the stream incurs some overhead for non-contiguous fragments. Readers that read from a `RecvStream` in order (through an `AsyncRead` impl for example) will be sensitive to peers that send fragments while leaving out early parts of the stream, and in particular, fragments with many gaps (because these cannot be defragmented). In such a scenario, the receiving connection suffers from high buffer overhead, enabling memory exhaustion. Version 0.11.15 fixes the issue.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| openai-codex · opensuse-leap 16.0 | 0.154.0-bp160.1.1 | OPENSUSE-SU-2026:21870-1 | Sep 16, 2026 |
| rust-quinn-proto · Debian 14 | 0.11.16-1 | DEBIAN-CVE-2026-25800 | Jul 25, 2026 |
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