{"id":"RUSTSEC-2023-0126","aliases":[],"status":"published","title":"Aliasing violation in `OrdSet` insertion","description":"Inserting into an `im::OrdSet` (for example by collecting an iterator into one) can violate\nRust's aliasing rules: Miri reports a stacked borrows violation in\n`sized_chunks::Chunk::force_copy()`, which is called during insertion, where a shared borrow\nis invalidated by a unique borrow before the read through it completes.\nThis is undefined behavior, reachable from safe code.\n\nNo fixed version is available, as the crate is unmaintained; its GitHub\nrepository was archived by the owner on 2026-05-03.","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-02-04T12:00:00Z","modified":"2026-08-10T19:45:04Z","affected":[{"source":"osv","ecosystem":"crates.io","package":"im","ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.0-0"}]}]}],"references":[{"url":"https://crates.io/crates/im","tags":["package"]},{"url":"https://rustsec.org/advisories/RUSTSEC-2023-0126.html","tags":["advisory"]},{"url":"https://github.com/bodil/im-rs/issues/207","tags":["report"]}],"sources":{"osv":[{"id":"RUSTSEC-2023-0126","title":"Aliasing violation in `OrdSet` insertion","description":"Inserting into an `im::OrdSet` (for example by collecting an iterator into one) can violate\nRust's aliasing rules: Miri reports a stacked borrows violation in\n`sized_chunks::Chunk::force_copy()`, which is called during insertion, where a shared borrow\nis invalidated by a unique borrow before the read through it completes.\nThis is undefined behavior, reachable from safe code.\n\nNo fixed version is available, as the crate is unmaintained; its GitHub\nrepository was archived by the owner on 2026-05-03.","status":"published","published":"2023-02-04T12:00:00Z","modified":"2026-08-10T19:45:04.530371817Z","updated_at":"2026-11-02T15:53:39.971022Z"}]}}