Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DNS response.
総合評価: CVE-2017-14491 は悪用リスクが高い(83.2/100)。CVSS 深刻度は重大。悪用される可能性が高い(EPSS 33.72%、97 パーセンタイル) 根拠: 公開エクスプロイトが 3 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 |
|---|---|---|---|---|
| 42941 | exploit_db | edb | 2017-10-02 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | 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 | 2026-05-28 | 49.79% | 33.72% | -16.07% |
| 2 | 2026-05-13 | 57.79% | 49.79% | -8.01% |
| 3 | 2026-04-12 | — | 57.79% | — |
EPSS の全履歴 (全 62 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] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2017-14491: 1 source package rows (dnsmasq); 10 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 10, open 0. | https://security.alpinelinux.org/vuln/CVE-2017-14491 |
debian
|
not yet assigned | CVE-2017-14491 not yet assigned priority: Debian including 1 source packages (dnsmasq), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2017-14491 |
gentoo
|
normal | CVE-2017-14491: 1 GLSA(s) (201710-27), 1 atom(s) (net-dns/dnsmasq); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2017-14491 |
redhat
|
critical | — | https://access.redhat.com/security/cve/CVE-2017-14491 |
suse
|
medium | CVE-2017-14491 severity moderate: SUSE including 27 source package names (2.78:dnsmasq-2.78-18.3.1, dnsmasq, …), 54 product×package rows across 50 product lines (Container caasp/v4/dnsmasq-nanny, SUSE Liberty Linux 7, … (50 product lines)): Fixed 50, Known Not Affected 4. | https://www.suse.com/security/cve/CVE-2017-14491/ |
ubuntu
|
high | CVE-2017-14491 high priority: Ubuntu including 1 source packages (dnsmasq), 4 status rows across 4 suites (trusty, upstream, xenial, zesty): released 3, needs-triage 1. | https://ubuntu.com/security/CVE-2017-14491 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| thekelleys | dnsmasq | <= 2.77 | cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop | 6.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop | 7.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 6.0 | cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 7.0 | cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 6.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 7.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* |
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 17.04 | cpe:2.3:o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:* |
| debian | debian_linux | 7.0 | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |
| debian | debian_linux | 7.1 | cpe:2.3:o:debian:debian_linux:7.1:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| opensuse | leap | 42.2 | cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:* |
| opensuse | leap | 42.3 | cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:* |
| suse | linux_enterprise_debuginfo | 11 | cpe:2.3:a:suse:linux_enterprise_debuginfo:11:sp3:*:*:*:*:*:* |
| suse | linux_enterprise_debuginfo | 11 | cpe:2.3:a:suse:linux_enterprise_debuginfo:11:sp4:*:*:*:*:*:* |
| suse | linux_enterprise_point_of_sale | 11 | cpe:2.3:a:suse:linux_enterprise_point_of_sale:11:sp3:*:*:*:*:*:* |
| suse | linux_enterprise_server | 11 | cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:ltss:*:*:* |
| suse | linux_enterprise_server | 11 | cpe:2.3:o:suse:linux_enterprise_server:11:sp4:*:*:*:*:*:* |
| suse | linux_enterprise_server | 12 | cpe:2.3:o:suse:linux_enterprise_server:12:*:*:*:ltss:*:*:* |
| nvidia | linux_for_tegra | < r21.6 | cpe:2.3:o:nvidia:linux_for_tegra:*:*:*:*:*:*:*:* |
| nvidia | linux_for_tegra | < r24.2.2 | cpe:2.3:o:nvidia:linux_for_tegra:*:*:*:*:*:*:*:* |
| nvidia | geforce_experience | >= 3.0, < 3.10.0.55 | cpe:2.3:a:nvidia:geforce_experience:*:*:*:*:*:*:*:* |
| huawei | honor_v9_play_firmware | < jimmy-al00ac00b135 | cpe:2.3:o:huawei:honor_v9_play_firmware:*:*:*:*:*:*:*:* |
| arista | eos | <= 4.15 | cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* |
| arista | eos | >= 4.16, < 4.16.13m | cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* |
| arista | eos | >= 4.17, < 4.17.8m | cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* |
| arista | eos | >= 4.18, <= 4.18.4.2f | cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* |
| siemens | ruggedcom_rm1224_firmware | < 5.0 | cpe:2.3:o:siemens:ruggedcom_rm1224_firmware:*:*:*:*:*:*:*:* |
| siemens | scalance_m-800_firmware | < 5.0 | cpe:2.3:o:siemens:scalance_m-800_firmware:*:*:*:*:*:*:*:* |
| siemens | scalance_s615_firmware | < 5.0 | cpe:2.3:o:siemens:scalance_s615_firmware:*:*:*:*:*:*:*:* |
| siemens | scalance_w1750d_firmware | < 6.5.1.5 | cpe:2.3:o:siemens:scalance_w1750d_firmware:*:*:*:*:*:*:*:* |
| arubanetworks | arubaos | >= 6.3.1, < 6.3.1.25 | cpe:2.3:o:arubanetworks:arubaos:*:*:*:*:*:*:*:* |
| arubanetworks | arubaos | >= 6.4.4.0, < 6.4.4.16 | cpe:2.3:o:arubanetworks:arubaos:*:*:*:*:*:*:*:* |
| arubanetworks | arubaos | >= 6.5.0.0, < 6.5.1.9 | cpe:2.3:o:arubanetworks:arubaos:*:*:*:*:*:*:*:* |
| arubanetworks | arubaos | >= 6.5.3.0, < 6.5.3.3 | cpe:2.3:o:arubanetworks:arubaos:*:*:*:*:*:*:*:* |
| arubanetworks | arubaos | >= 6.5.4.0, < 6.5.4.2 | cpe:2.3:o:arubanetworks:arubaos:*:*:*:*:*:*:*:* |
| arubanetworks | arubaos | >= 8.1.0.0, < 8.1.0.4 | cpe:2.3:o:arubanetworks:arubaos:*:*:*:*:*:*:*:* |
| synology | router_manager | 1.1 | cpe:2.3:a:synology:router_manager:1.1:*:*:*:*:*:*:* |
| synology | diskstation_manager | 5.2 | cpe:2.3:o:synology:diskstation_manager:5.2:*:*:*:*:*:*:* |
| synology | diskstation_manager | 6.0 | cpe:2.3:o:synology:diskstation_manager:6.0:*:*:*:*:*:*:* |
| synology | diskstation_manager | 6.1 | cpe:2.3:o:synology:diskstation_manager:6.1:*:*:*:*:*:*:* |