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GHSA-chgr-c6px-7xpp
Vulnerability in pyo3 (GHSA-chgr-c6px-7xpp)
Summary
vulnerability in pyo3 (GHSA-chgr-c6px-7xpp). Risk of unauthorized operations or information disclosure. Exploitable via ``new_closure_bound``. Mitigation: upgrade to `0.29.0` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **GHSA-chgr-c6px-7xpp** has been found in pyo3.
Attackers can target a specific entry point like ``new_closure_bound`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade pyo3 to **0.29.0** or later.
If unsure, ask your IT team or search "pyo3 GHSA-chgr-c6px-7xpp" on the vendor's site.
GHSA-chgr-c6px-7xpp (pyo3) — CWE-362 /
Attack surface: `new_closure_bound` / `Sync` / `PyCFunction`
Patched: `0.29.0` — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**A vulnerability** (CWE-362) exists in pyo3. Attackers reach the vulnerable code path via ``new_closure_bound`` without authentication.
📍 Affected scope
pyo3 — . Attack surface: `new_closure_bound` / `Sync` / `PyCFunction`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **0.29.0**.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'pyo3' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'pyo3' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `pyo3` を grep し、稼働しているサービス・バージョンを把握する。
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6Apply patch patch
Upgrade pyo3 to 0.29.0ステージング環境で 0.29.0 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスと、Step 3 で見つけた異常検知の続報チェックを含めること。
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7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
rust
pyo3
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.29.0"}]}]
crates.io
pyo3
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.29.0"}]}]