CVE-2026-42533

NGINX 脆弱性チェッカー NGINX インストールが CVE-2026-42533 脆弱性の影響を受ける可能性があるかどうかを 非侵襲的 に検証するスクリプト。 重要: このプロジェクトは脆弱性を悪用しません 。インストールされているバージョンとサーバー設定に対してローカルでチェックを実行し、潜在的な露出を特定するだけです。 特徴 NGINX がインストールされているかどうかを検出します。 インストールされているバージョンを取得します。 バージョンを修正済みバージョンと比較します。 map ディレクティブを使用する設定を検索します。 設定ファイル内での正規表現 および...

nginx-map-risk-audit

CVE-2026-42533: NGINX Map 正規表現リスクレビュー CVE-2026-42533 に関する防御的な調査メモ。NGINX のリクエスト処理におけるヒープバッファオーバーフローで、map ディレクティブの正規表現キャプチャと特定の変数評価パターンに関連しています。 平易に言うと、NGINX は Web サーバーおよびリバースプロキシソフトウェアです。Web サイトや API の前面に配置され、Web リクエストを受け取ってどこに送るかを決定します。map ルールは NGINX の設定機能で、「このリクエスト値が X に一致したら、この変数を Y...

CVE-2026-42533

CVE-2026-42533...

AlmaLinux 8 : nginx:1.24 (ALSA-2026:67315)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:67315 advisory. nginx: NGINX: Arbitrary code execution via crafted HTTP requests CVE-2026-42533 Tenable has extracted the preceding description block directly from the AlmaLinux...

RockyLinux 10 : nginx (RLSA-2026:67314)

The remote RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:67314 advisory. nginx: NGINX: Arbitrary code execution via crafted HTTP requests CVE-2026-42533 Tenable has extracted the preceding description block directly from the RockyLin...

AlmaLinux 10 : nginx (ALSA-2026:67314)

The remote AlmaLinux 10 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:67314 advisory. nginx: NGINX: Arbitrary code execution via crafted HTTP requests CVE-2026-42533 Tenable has extracted the preceding description block directly from the AlmaLinux...

nginx:1.26 security update

An update is available for nginx, module.nginx. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list nginx is a web and proxy server supporting HTTP and other...

RLSA-2026:67283 Moderate: nginx:1.26 security update

nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security Fixes: nginx: NGINX: Arbitrary code execution via crafted HTTP requests CVE-2026-42533 For more details about the security issues, including the impac...

RLSA-2026:67315 Moderate: nginx:1.24 security update

nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security Fixes: nginx: NGINX: Arbitrary code execution via crafted HTTP requests CVE-2026-42533 For more details about the security issues, including the impac...

Moderate: Red Hat Security Advisory: nginx:1.24 security update

An update for the nginx:1.24 module is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Important: Red Hat Security Advisory: nginx security update

An update for nginx is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

Moderate: Red Hat Security Advisory: nginx:1.24 security update

An update for the nginx:1.24 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

ALSA-2026:67315 Moderate: nginx:1.24 security update

nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security Fixes: nginx: NGINX: Arbitrary code execution via crafted HTTP requests CVE-2026-42533 For more details about the security issues, including the impac...

RHEL 9 : nginx:1.26 (RHSA-2026:67283)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:67283 advisory. nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security...

ALSA-2026:67308 Moderate: nginx:1.24 security update

nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security Fixes: nginx: NGINX: Arbitrary code execution via crafted HTTP requests CVE-2026-42533 For more details about the security issues, including the impac...

RockyLinux 9 : nginx:1.24 (RLSA-2026:67308)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:67308 advisory. nginx: NGINX: Arbitrary code execution via crafted HTTP requests CVE-2026-42533 Tenable has extracted the preceding description block directly from the RockyLinu...

ALSA-2026:67314 Important: nginx security update

nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security Fixes: nginx: NGINX: Arbitrary code execution via crafted HTTP requests CVE-2026-42533 For more details about the security issues, including the impac...

RLSA-2026:66542 Important: nginx security update

nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security Fixes: nginx: NGINX: Arbitrary code execution via crafted HTTP requests CVE-2026-42533 For more details about the security issues, including the impac...

Important: Red Hat Security Advisory: nginx security update

An update for nginx is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

RHEL 9 : nginx (RHSA-2026:66542)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:66542 advisory. nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security...