GHSA-6qvp-r6r3-9p7h · 深刻度: high · エコシステム: rubygems — Nokogiri NULL Pointer Dereference
A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case. Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable to a denial of service attack due to a crash of the application.
総合評価: CVE-2018-14404 は中リスク(51.9/100)。CVSS 深刻度は中。悪用される可能性が高い(EPSS 3.68%、88 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 | 20.01% | 3.68% | -16.33% |
| 2 | 2026-04-07 | 18.49% | 20.01% | +1.52% |
| 3 | 2026-03-25 | — | 18.49% | — |
EPSS の全履歴 (全 32 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 |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 7.5 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
GHSA-6qvp-r6r3-9p7h · 深刻度: high · エコシステム: rubygems — Nokogiri NULL Pointer Dereference
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2018-14404: 2 source package rows (libxml2, libxml2.13); 11 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 11, open 0. | https://security.alpinelinux.org/vuln/CVE-2018-14404 |
debian
|
low | CVE-2018-14404 low priority: Debian including 1 source packages (libxml2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2018-14404 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2018-14404 |
suse
|
medium | CVE-2018-14404 severity moderate: SUSE including 480 source package names (0.1.0:libxml2-2-2.9.7-3.3.1, 0.1.75:libxml2-2-2.9.7-3.3.1, …), 731 product×package rows across 270 product lines (Container bci/bci-init, Container bci/dotnet-aspnet, … (270 product lines)): Fixed 533, Known Affected 157, Known Not Affected 41. | https://www.suse.com/security/cve/CVE-2018-14404/ |
ubuntu
|
medium | CVE-2018-14404 medium priority: Ubuntu including 1 source packages (libxml2), 5 status rows across 5 suites (artful, bionic, trusty, upstream, xenial): released 4, ignored 1. | https://ubuntu.com/security/CVE-2018-14404 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* |
| 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 | 18.04 | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
| debian | debian_linux | — | cpe:2.3:o:debian:debian_linux:-:*:*:*:*:*:*:* |
| xmlsoft | libxml2 | <= 2.9.8 | cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://access.redhat.com/errata/RHSA-2019:1543 | |
| https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=901817 | Mailing List Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1595985 | Issue Tracking Third Party Advisory |
| https://gitlab.gnome.org/GNOME/libxml2/issues/10 | Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html | |
| https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html | |
| https://security.netapp.com/advisory/ntap-20190719-0002/ | |
| https://usn.ubuntu.com/3739-1/ | Third Party Advisory |
| https://usn.ubuntu.com/3739-2/ | Third Party Advisory |