A use-after-free flaw was found in D-Bus Development branch <= 1.13.16, dbus-1.12.x stable branch <= 1.12.18, and dbus-1.10.x and older branches <= 1.10.30 when a system has multiple usernames sharing the same UID. When a set of policy rules references these usernames, D-Bus may free some memory in the heap, which is still used by data structures necessary for the other usernames sharing the UID, possibly leading to a crash or other undefined behaviors
総合評価: CVE-2020-35512 は中リスク(40.1/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 0.33%、25 パーセンタイル) 推奨対応: 影響資産を整理し、修補計画に組み込んでください。
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 | 0.03% | 0.33% | +0.30% |
| 2 | 2025-11-21 | 0.08% | 0.03% | -0.04% |
| 3 | 2025-11-18 | — | 0.08% | — |
EPSS の全履歴 (全 8 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 |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2020-35512 not yet assigned priority: Debian including 1 source packages (dbus), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2020-35512 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2020-35512 |
suse
|
high | CVE-2020-35512 severity important: SUSE including 340 source package names (0.1.0:dbus-1-1.12.2-8.6.1, 0.1.0:libdbus-1-3-1.12.2-8.6.1, …), 641 product×package rows across 134 product lines (Container bci/bci-init, Container caasp/v4/cilium, … (134 product lines)): Fixed 604, Known Affected 33, Known Not Affected 4. | https://www.suse.com/security/cve/CVE-2020-35512/ |
ubuntu
|
low | CVE-2020-35512 low priority: Ubuntu including 1 source packages (dbus), 16 status rows across 16 suites (bionic, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 11, released 4, needed 1. | https://ubuntu.com/security/CVE-2020-35512 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| freedesktop | dbus | 1.12.20 | cpe:2.3:a:freedesktop:dbus:1.12.20:*:*:*:*:*:*:* |