rust-thin-vec: Double-Free / Use-After-Free (UAF) in the `IntoIter::drop` and `ThinVec::clear` functions in the thin_vec crate
CVE-2026-6654 is fixed in 25 products on 1 platform, first by ALAS2023-2026-1676, released May 11, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Double-Free / Use-After-Free (UAF) in the `IntoIter::drop` and `ThinVec::clear` functions in the thin_vec crate. A panic in `ptr::drop_in_place` skips setting the length to zero.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| cargo · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| cargo-debuginfo · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| clippy · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| clippy-debuginfo · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| firefox · amzn 2023 | 140.10.1-1.amzn2023.0.1 | ALAS2023-2026-1652 | May 11, 2026 |
| firefox-debuginfo · amzn 2023 | 140.10.1-1.amzn2023.0.1 | ALAS2023-2026-1652 | May 11, 2026 |
| firefox-debugsource · amzn 2023 | 140.10.1-1.amzn2023.0.1 | ALAS2023-2026-1652 | May 11, 2026 |
| rust · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| rust-analyzer · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| rust-analyzer-debuginfo · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| rust-debugger-common · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| rust-debuginfo · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| rust-debugsource · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| rust-doc · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| rust-gdb · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| rust-lldb · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| rust-src · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| rust-std-static · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| rust-std-static-wasm32-unknown-unknown · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| rust-std-static-wasm32-wasip1 · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| rust-thin-vec · Debian 14 | 0.2.17-1 | DEBIAN-CVE-2026-6654 | May 15, 2026 |
| rust-toolset · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| rust-toolset-srpm-macros · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| rustfmt · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
| rustfmt-debuginfo · amzn 2023 | 1.95.0-1.amzn2023.0.2 | ALAS2023-2026-1676 | May 11, 2026 |
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