The csnmp_read_table function in snmp.c in the SNMP plugin in collectd before 5.6.3 is susceptible to a double free in a certain error case, which could lead to a crash (or potentially have other impact).
総合評価: CVE-2017-16820 は高リスク(69.8/100)。CVSS 深刻度は重大。悪用される可能性が高い(EPSS 3.34%、88 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 | 2026-06-04 | 3.42% | 3.34% | -0.08% |
| 2 | 2026-04-08 | 2.83% | 3.42% | +0.59% |
| 3 | 2026-01-13 | — | 2.83% | — |
EPSS の全履歴 (全 13 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 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2017-16820 not yet assigned priority: Debian including 1 source packages (collectd), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2017-16820 |
gentoo
|
high | CVE-2017-16820: 1 GLSA(s) (201803-10), 1 atom(s) (app-admin/collectd); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2017-16820 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2017-16820 |
ubuntu
|
medium | CVE-2017-16820 medium priority: Ubuntu including 1 source packages (collectd), 13 status rows across 13 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, trusty, upstream, xenial, zesty): not-affected 8, released 3, ignored 2. | https://ubuntu.com/security/CVE-2017-16820 |
| URL | タグ |
|---|---|
| https://access.redhat.com/errata/RHSA-2018:0252 | |
| https://access.redhat.com/errata/RHSA-2018:0299 | |
| https://access.redhat.com/errata/RHSA-2018:0560 | |
| https://access.redhat.com/errata/RHSA-2018:1605 | |
| https://access.redhat.com/errata/RHSA-2018:2615 | |
| https://bugs.debian.org/881757 | Issue Tracking Third Party Advisory |
| https://github.com/collectd/collectd/commit/d16c24542b2f96a194d43a73c2e5778822b9cb47 | Issue Tracking Patch Third Party Advisory |
| https://github.com/collectd/collectd/issues/2291 | Issue Tracking Third Party Advisory |
| https://github.com/collectd/collectd/releases/tag/collectd-5.6.3 | Issue Tracking Third Party Advisory |
| https://security.gentoo.org/glsa/201803-10 |