A flaw was found in SQLite's SELECT query functionality (src/select.c). This flaw allows an attacker who is capable of running SQL queries locally on the SQLite database to cause a denial of service or possible code execution by triggering a use-after-free. The highest threat from this vulnerability is to system availability.
総合評価: CVE-2021-20227 は低リスク（35.9/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 0.53%、40 パーセンタイル） 推奨対応: 悪用情報と EPSS の推移を監視し、必要に応じて優先度を見直してください。
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。
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 | 0.77% | 0.53% | -0.24% |
| 2 | 2026-05-29 | 0.21% | 0.77% | +0.56% |
| 3 | 2026-03-04 | — | 0.21% | — |
EPSS の全履歴 （全 53 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 |
|---|---|---|---|---|---|---|
| 5.5 | 3.1 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
medium | CVE-2021-20227: 1 source package rows (sqlite); 31 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 8, open 23. | https://security.alpinelinux.org/vuln/CVE-2021-20227 |
debian
|
not yet assigned | CVE-2021-20227 not yet assigned priority: Debian including 1 source packages (sqlite3), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2021-20227 |
gentoo
|
high | CVE-2021-20227: 2 GLSA(s) (202103-04, 202210-40), 1 atom(s) (dev-db/sqlite); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2021-20227 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2021-20227 |
ubuntu
|
medium | CVE-2021-20227 medium priority: Ubuntu including 2 source packages (sqlite, sqlite3), 12 status rows across 6 suites (bionic, focal, groovy, trusty, upstream, xenial): not-affected 9, released 2, needs-triage 1. | https://ubuntu.com/security/CVE-2021-20227 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| sqlite | sqlite | >= 3.33.0, < 3.34.1 | cpe:2.3:a:sqlite:sqlite:*:*:*:*:*:*:*:* |
| oracle | communications_network_charging_and_control | >= 12.0.1.0, <= 12.0.4.0.0 | cpe:2.3:a:oracle:communications_network_charging_and_control:*:*:*:*:*:*:*:* |
| oracle | communications_network_charging_and_control | 6.0.1 | cpe:2.3:a:oracle:communications_network_charging_and_control:6.0.1:*:*:*:*:*:*:* |
| oracle | enterprise_manager_for_oracle_database | 13.4.0.0 | cpe:2.3:a:oracle:enterprise_manager_for_oracle_database:13.4.0.0:*:*:*:*:*:*:* |
| oracle | jd_edwards_enterpriseone_tools | < 9.2.6.0 | cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:* |
| oracle | mysql_workbench | <= 8.0.26 | cpe:2.3:a:oracle:mysql_workbench:*:*:*:*:*:*:*:* |
| oracle | outside_in_technology | 8.5.5 | cpe:2.3:a:oracle:outside_in_technology:8.5.5:*:*:*:*:*:*:* |
| oracle | zfs_storage_appliance_kit | 8.8 | cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1924886 | Issue Tracking Third Party Advisory |
| https://security.gentoo.org/glsa/202103-04 | Third Party Advisory |
| https://security.gentoo.org/glsa/202210-40 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20210423-0010/ | Third Party Advisory |
| https://www.oracle.com//security-alerts/cpujul2021.html | Patch Third Party Advisory |
| https://www.oracle.com/security-alerts/cpuApr2021.html | Patch Third Party Advisory |
| https://www.oracle.com/security-alerts/cpuoct2021.html | Patch Third Party Advisory |
| https://www.sqlite.org/releaselog/3_34_1.html | Release Notes Vendor Advisory |