{"action":"Upgrade stack_collections to 0.3.3 or later.","affected":[{"fixed":"0.3.3","introduced":"0.3.0"}],"component":"stack_collections","cve_ids":[],"ecosystem":"crates.io","exploited":false,"fixed_versions":["0.3.3"],"id":"tcs_01M5KFC966ZFXNWJK61JQCH8GK","modified_at":"2026-09-22T21:00:02.870917912Z","published_at":"2026-09-22T12:00:00Z","references":["https://osv.dev/vulnerability/RUSTSEC-2026-0301","https://crates.io/crates/stack_collections","https://rustsec.org/advisories/RUSTSEC-2026-0301.html","https://github.com/OverwrittenCode/stack_collections/pull/4"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"RUSTSEC-2026-0301","url":"https://osv.dev/vulnerability/RUSTSEC-2026-0301"}],"summary":"Double free in `StackVec::retain` when a predicate or element `Drop` panics"}