From 715b64cadb717d54348f742c820a228a07f62fed Mon Sep 17 00:00:00 2001
From: Zeyang Zhuang <1330315641@qq.com>
Date: Sat, 31 Jan 2026 19:06:13 +0800
Subject: [PATCH] Add unmaintained advisory for sm-ext-rs

---
 crates/sm-ext-rs/RUSTSEC-0000-0000.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 crates/sm-ext-rs/RUSTSEC-0000-0000.md

diff --git a/crates/sm-ext-rs/RUSTSEC-0000-0000.md b/crates/sm-ext-rs/RUSTSEC-0000-0000.md
new file mode 100644
index 0000000000..2baa01cae8
--- /dev/null
+++ b/crates/sm-ext-rs/RUSTSEC-0000-0000.md
@@ -0,0 +1,15 @@
+```toml
+[advisory]
+id = "RUSTSEC-0000-0000"
+package = "sm-ext-rs"
+date = "2026-01-30"
+url = "https://github.com/asherkin/sm-ext-rs/issues/2"
+informational = "unmaintained"
+
+[versions]
+patched = []
+```
+
+# sm-ext-rs is unmaintained
+
+sm-ext-rs will no longer be maintained as the last commit was 7 years ago. The project has an unsoundness issue, which can further lead to a memory safety bug as in [issue #2](https://github.com/asherkin/sm-ext-rs/issues/2).
\ No newline at end of file