An attacker can leverage this flaw to gradually erode available memory to the point where named crashes for lack of resources. Upon restart the attacker would have to begin again, but nevertheless there is the potential to deny service.
総合評価: CVE-2022-2906 は中リスク(56/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 1.57%、72 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 | 0.86% | 1.57% | +0.71% |
| 2 | 2025-12-01 | 1.00% | 0.86% | -0.14% |
| 3 | 2025-11-21 | — | 1.00% | — |
EPSS の全履歴 (全 17 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 |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2022-2906: 1 source package rows (bind); 13 state rows across 7 repos (3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 7, open 6. | https://security.alpinelinux.org/vuln/CVE-2022-2906 |
debian
|
unimportant | CVE-2022-2906 unimportant priority: Debian including 1 source packages (bind9), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2022-2906 |
gentoo
|
low | CVE-2022-2906: 1 GLSA(s) (202210-25), 2 atom(s) (net-dns/bind, net-dns/bind-tools); latest impact low. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2022-2906 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2022-2906 |
suse
|
high | CVE-2022-2906 severity important: SUSE including 43 source package names (bind, bind-9.18.7-1.1, …), 311 product×package rows across 39 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (39 product lines)): Known Not Affected 294, Fixed 17. | https://www.suse.com/security/cve/CVE-2022-2906/ |
ubuntu
|
medium | CVE-2022-2906 medium priority: Ubuntu including 2 source packages (bind9, isc-dhcp), 14 status rows across 7 suites (bionic, focal, jammy, kinetic, trusty, upstream, xenial): not-affected 10, needs-triage 2, released 2. | https://ubuntu.com/security/CVE-2022-2906 |
| URL | タグ |
|---|---|
| http://www.openwall.com/lists/oss-security/2022/09/21/3 | Mailing List Patch Third Party Advisory |
| https://kb.isc.org/docs/cve-2022-2906 | Patch Vendor Advisory |
| https://security.gentoo.org/glsa/202210-25 | Third Party Advisory |