A heap memory corruption problem (use after free) can be triggered in libgetdata v0.10.0 when processing maliciously crafted dirfile databases. This degrades the confidentiality, integrity and availability of third-party software that uses libgetdata as a library. This vulnerability may lead to arbitrary code execution or privilege escalation depending on input/skills of attacker.
総合評価: CVE-2021-20204 は高リスク(66.9/100)。CVSS 深刻度は重大。悪用される可能性が高い(EPSS 2.16%、80 パーセンタイル) 推奨対応: 悪用可能性が高いため、影響範囲の確認と修補の優先付けを推奨します。
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 | 2.33% | 2.16% | -0.18% |
| 2 | 2026-01-23 | 1.96% | 2.33% | +0.38% |
| 3 | 2025-12-28 | — | 1.96% | — |
EPSS の全履歴 (全 21 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 |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2021-20204 not yet assigned priority: Debian including 1 source packages (libgetdata), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2021-20204 |
suse
|
critical | CVE-2021-20204 severity critical: SUSE including 9 source package names (getdata-0.11.0-lp152.4.3.1, getdata-devel-0.11.0-lp152.4.3.1, …), 9 product×package rows across 1 product lines (openSUSE Leap 15.2): Fixed 9. | https://www.suse.com/security/cve/CVE-2021-20204/ |
ubuntu
|
medium | CVE-2021-20204 medium priority: Ubuntu including 1 source packages (libgetdata), 16 status rows across 16 suites (bionic, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 8, needed 5, needs-triage 2, DNE 1. | https://ubuntu.com/security/CVE-2021-20204 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| getdata_project | getdata | 0.10.0 | cpe:2.3:a:getdata_project:getdata:0.10.0:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| fedoraproject | fedora | 33 | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* |
| fedoraproject | fedora | 34 | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* |
| fedoraproject | fedora | 35 | cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1956348 | Issue Tracking Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/05/msg00015.html | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/43JTGEMYMCTHD3LHFD7ENBNSWCNBCYEY/ | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GB7T7DW7XRPJOUE25ZE7GF244FPCHBWY/ | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OE23HBLIVKVPOQ5MVADWPOCFMREVF4QZ/ | Mailing List Third Party Advisory |