RUSTSEC-2026-0283: clear_on_drop is unmaintained

> clear_on_drop is unmaintained

| Details | |
| ------------------- | ---------------------------------------------- |
| Status | unmaintained |
| Package | `clear_on_drop` |
| Version | `0.2.5` |
| URL | [https://github.com/cesarb/clear_on_drop/commit/5916d6260acbad8a34290dba137f39963f13f467](https://github.com/cesarb/clear_on_drop/commit/5916d6260acbad8a34290dba137f39963f13f467) |
| Date | 2026-09-13 |

This crate is no longer maintained. Use the [zeroize](https://crates.io/crates/zeroize) crate instead.

* Instead of `ClearOnDrop`, use `Zeroizing`
* Instead of `clear_stack`, use `zeroize_stack`

See [advisory page](https://rustsec.org/advisories/RUSTSEC-2026-0283.html) for additional details.

No files or tests are named. Start by searching the repository for clear_on_drop, ClearOnDrop, and clear_stack, then review the dependency declarations and usages affected by the advisory. Replace the package and API usages with the zeroize equivalents named in the issue, and run the project's existing test suite to confirm the migration is complete.

Written by the indexing model from the issue text.