{"id":"GHSA-fx4f-mhw4-qm7j","aliases":["RUSTSEC-2026-0181"],"url":"https://o3.security/vulnerability/GHSA-fx4f-mhw4-qm7j","summary":"vibeio-http has a DoS vulnerability in HTTP/1.x chunked encoding parser triggered by maliciously crafted chunk lengths","details":"When using the affected versions of the `vibeio-http` crate, an attacker could craft a malicious HTTP/1.x request with a large chunk length (between `usize::MAX - 1` and `usize::MAX` inclusive) and send it, causing the server to crash (integer overflow panic in debug builds, split_to out of bounds panic in release builds).\n\nThis was fixed in `vibeio-http` 0.3.2 by erroring on the chunk length if it exceeds `usize::MAX - 2` (using `checked_add()` instead of `+` operator), preventing integer overflow.","published":"2026-08-24T22:05:02Z","modified":"2026-08-25T02:55:59.491165582Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"crates.io","name":"vibeio-http","fixedVersion":"0.3.2"}],"fix":null,"references":[{"type":"PACKAGE","url":"https://github.com/ferronweb/vibeio-http"},{"type":"WEB","url":"https://github.com/ferronweb/vibeio-http/blob/main/CHANGELOG.md#vibeio-http-032"},{"type":"WEB","url":"https://rustsec.org/advisories/RUSTSEC-2026-0181.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-25T02:55:59.491165582Z"}}