{"action":"Upgrade circular-buffer to 2.0.1 or later.","affected":[{"fixed":"2.0.1","introduced":"0.0.0-0"}],"component":"circular-buffer","cve_ids":[],"ecosystem":"crates.io","exploited":false,"fixed_versions":["2.0.1"],"id":"tcs_01M5KFC2HNV646BTPYT5Q6D9SS","modified_at":"2026-08-12T10:30:20.590320658Z","published_at":"2026-08-11T12:00:00Z","references":["https://osv.dev/vulnerability/RUSTSEC-2026-0256","https://crates.io/crates/circular-buffer","https://rustsec.org/advisories/RUSTSEC-2026-0256.html","https://github.com/andreacorbellini/rust-circular-buffer/blob/master/CHANGELOG.md"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"RUSTSEC-2026-0256","url":"https://osv.dev/vulnerability/RUSTSEC-2026-0256"}],"summary":"Panic-safety unsoundness in `truncate_back`, `truncate_front`, `clear`, and `extend_from_slice` (use-after-free / double-free)"}