GHSA-5h46-h7hh-c6x9 · 深刻度: medium · エコシステム: rust — Integer Overflow in Chunked Transfer-Encoding
hyper is an HTTP library for Rust. In versions prior to 0.14.10, hyper's HTTP server and client code had a flaw that could trigger an integer overflow when decoding chunk sizes that are too big. This allows possible data loss, or if combined with an upstream HTTP proxy that allows chunk sizes larger than hyper does, can result in "request smuggling" or "desync attacks." The vulnerability is patched in version 0.14.10. Two possible workarounds exist. One may reject requests manually that contain a `Transfer-Encoding` header or ensure any upstream proxy rejects `Transfer-Encoding` chunk sizes greater than what fits in 64-bit unsigned integers.
総合評価: CVE-2021-32714 は悪用リスクが高い(61/100)。CVSS 深刻度は中。悪用される可能性が高い(EPSS 1.12%、62 パーセンタイル) 根拠: 公開エクスプロイトが 1 件参照されています(Exploit-DB)。 推奨対応: 公開エクスプロイトが確認されています。影響範囲の確認、緩和策の適用、パッチ適用を優先してください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
| EDB-ID | ソース | 種別 | 公開 | リンク |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置(高いほど相対的に深刻)を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ(新 − 旧) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.40% | 1.12% | +0.73% |
| 2 | 2025-11-21 | 0.33% | 0.40% | +0.07% |
| 3 | 2025-11-18 | — | 0.33% | — |
EPSS の全履歴 (全 11 件)
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 5.9 | 3.1 | MEDIUM |
|
2.2 | 3.6 | [email protected] |
| 9.1 | 3.1 | CRITICAL |
|
3.9 | 5.2 | [email protected] |
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |
GHSA-5h46-h7hh-c6x9 · 深刻度: medium · エコシステム: rust — Integer Overflow in Chunked Transfer-Encoding
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2021-32714 not yet assigned priority: Debian including 1 source packages (rust-hyper), 4 status rows across 4 suites (bookworm, forky, sid, trixie): resolved 4. | https://security-tracker.debian.org/tracker/CVE-2021-32714 |
suse
|
medium | CVE-2021-32714 severity moderate: SUSE including 48 source package names (afterburn-5.0.0-6.1, afterburn-5.2.0-150300.1.3, …), 153 product×package rows across 30 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (30 product lines)): Known Not Affected 137, Fixed 16. | https://www.suse.com/security/cve/CVE-2021-32714/ |
ubuntu
|
medium | CVE-2021-32714 medium priority: Ubuntu including 1 source packages (rust-hyper), 16 status rows across 16 suites (bionic, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 6, DNE 4, ignored 4, needed 1, released 1. | https://ubuntu.com/security/CVE-2021-32714 |
| URL | タグ |
|---|---|
| https://github.com/hyperium/hyper/security/advisories/GHSA-5h46-h7hh-c6x9 | Exploit Third Party Advisory |