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Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.\nDisclaimers: ALL DOCUMENTS AND THE INFORMATION CONTAINED THEREIN PROVIDED BY MITRE ARE PROVIDED ON AN \"AS IS\" BASIS AND THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS OR IS SPONSORED BY (IF ANY), THE MITRE CORPORATION, ITS BOARD OF TRUSTEES, OFFICERS, AGENTS, AND EMPLOYEES, DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION THEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE." }, { "name": "NIST NVD", "url": "https://nvd.nist.gov/general/faq", "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD." }, { "name": "JVN", "url": "https://jvn.jp/contact/index.html", "notice": "出典：JVN（JPCERT/CC・IPA）。原文は各レコードの参照先を確認してください。" }, { "name": "CISA KEV", "url": "https://github.com/cisagov/kev-data", "notice": "Known Exploited Vulnerabilities catalog, CISA. 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"{\"vendor\":\"Google\",\"product\":\"Chrome\",\"versions\":[{\"version\":\"116.0.5845.187\",\"status\":\"affected\",\"lessThan\":\"116.0.5845.187\",\"versionType\":\"custom\"}]}", "truncated": false, "representation": "source_json" }, { "evidenceId": "official:/containers/cna/affected/1", "sourceUrl": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/4xxx/CVE-2023-4863.json", "sourcePath": "/containers/cna/affected/1", "text": "{\"vendor\":\"Google\",\"product\":\"libwebp\",\"versions\":[{\"version\":\"1.3.2\",\"status\":\"affected\",\"lessThan\":\"1.3.2\",\"versionType\":\"custom\"}]}", "truncated": false, "representation": "source_json" }, { "evidenceId": "official:/containers/cna/descriptions/0/value", "sourceUrl": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/4xxx/CVE-2023-4863.json", "sourcePath": "/containers/cna/descriptions/0/value", "text": "Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)", "truncated": false, "representation": "source_excerpt" }, { "evidenceId": "official:/containers/cna/problemTypes/0/descriptions/0", "sourceUrl": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/4xxx/CVE-2023-4863.json", "sourcePath": "/containers/cna/problemTypes/0/descriptions/0", "text": "{\"lang\":\"en\",\"description\":\"Heap buffer overflow\"}", "truncated": false, "representation": "source_json" }, { "evidenceId": "official:/containers/adp/1/metrics/0/cvssV3_1", "sourceUrl": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/4xxx/CVE-2023-4863.json", "sourcePath": "/containers/adp/1/metrics/0/cvssV3_1", "text": "{\"scope\":\"UNCHANGED\",\"version\":\"3.1\",\"baseScore\":8.8,\"attackVector\":\"NETWORK\",\"baseSeverity\":\"HIGH\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"integrityImpact\":\"HIGH\",\"userInteraction\":\"REQUIRED\",\"attackComplexity\":\"LOW\",\"availabilityImpact\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"confidentialityImpact\":\"HIGH\"}", "truncated": false, "representation": "source_json" } ], "limits": { "completeness": "official_record", "truncatedFields": [], "note": "CVE公式レコードに記載された情報です。参照先の個別ページ本文は含みません。unaffected（影響なし）の版を修正版とは推測しません。" } }, "sourceSnapshots": [ { "source": "CVE", "modifiedAt": "2025-10-21T23:05:38.429Z", "fetchedAt": "2026-10-23T02:43:29.162Z", "state": "published" }, { "source": "CISA KEV", "modifiedAt": "2023-09-13T00:00:00.000Z", "fetchedAt": "2026-10-23T02:17:50.489Z", "state": "published" } ], "sourceAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.", "sourceSummary": "Chrome / libwebpに脆弱性情報に関する脆弱性情報があります。影響を受ける条件を確認してください。", "sourceRisk": "影響と攻撃の成立条件は、リンク先の公式情報で確認してください。", "guidance": { "schemaVersion": "1.0", "method": "automatic", "reviewedAt": null, "reviewState": "current", "generatedAt": "2026-10-23T03:41:43.364Z", "generatorVersion": "2026-10-23.3", "sourceFingerprint": "766943e51d4098c887bdd962ac22e72f65ee8faf0d26b8977b6b6974b145afd8", "sourceModifiedAt": "2025-10-21T23:05:38.429Z", "model": "@cf/openai/gpt-oss-120b", "verificationMethod": "exact_source_excerpt_and_independent_semantic_check", "summary": "Google Chrome のバージョン 116.0.5845.187 未満および libwebp 1.3.2 未満において、ヒープバッファオーバーフローが存在し、リモートの攻撃者が細工した HTML ページを使ってメモリの範囲外に書き込むことができる。", "risk": "リモート攻撃者がメモリの範囲外に書き込むことができる。", "summaryEvidenceIds": [ "E1" ], "riskEvidenceIds": [ "E1" ], "applicability": [ { "text": "Google Chrome のバージョンが 116.0.5845.187 未満である場合に影響を受ける。", "kind": "fact", "sourceUrls": [ "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/4xxx/CVE-2023-4863.json" ], "evidenceIds": [ "E2" ] }, { "text": "libwebp のバージョンが 1.3.2 未満である場合に影響を受ける。", "kind": "fact", "sourceUrls": [ "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/4xxx/CVE-2023-4863.json" ], "evidenceIds": [ "E3" ] }, { "text": "公式の対象表：Google / Chrome。影響ありとして記載：対象表の開始値と上限がどちらも116.0.5845.187で、上限条件は「未満」です。この表だけでは範囲を確定できないため、説明文の対象範囲も照合してください。", "kind": "fact", "sourceUrls": [ "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/4xxx/CVE-2023-4863.json" ], "evidenceIds": [ "E2" ] }, { "text": "公式の対象表：Google / libwebp。影響ありとして記載：対象表の開始値と上限がどちらも1.3.2で、上限条件は「未満」です。この表だけでは範囲を確定できないため、説明文の対象範囲も照合してください。", "kind": "fact", "sourceUrls": [ "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/4xxx/CVE-2023-4863.json" ], "evidenceIds": [ "E3" ] }, { "text": "CISAの一覧では、この脆弱性が実際の攻撃に使われたことが確認されています。対象かどうかの確認と修正を優先してください。この情報だけで、あなたの環境が被害を受けたとは判断できません。", "kind": "fact", "sourceUrls": [ "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-4863" ], "evidenceIds": [ "E5" ] } ], "versionChecks": [ { "text": "管理担当者に、利用中の製品名・開発元・版やビルド番号を確認してもらいます。上に記載した対象の機能・設定・利用者の権限も、実際の環境と照合してください。", "kind": "procedure", "sourceUrls": [ "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/4xxx/CVE-2023-4863.json" ], "evidenceIds": [ "E2" ] }, { "text": "「Chrome / libwebp」の管理画面・設定・製品情報で、正式な製品名、開発元、版・ビルド番号を控えます。見つからない場合は、購入先・提供元・管理担当者へ下の問い合わせ文を送ってください。製品名が似ているだけでは対象とは判断できません。", "kind": "procedure", "sourceUrls": [ "https://www.cisa.gov/sites/default/files/2024-09/Secure-Our-World-Software-Updates-Tip-Sheet.pdf", "https://www.cve.org/CVERecord?id=CVE-2023-4863", "https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html", "https://crbug.com/1479274", "https://en.bandisoft.com/honeyview/history/", "https://stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/", "https://www.mozilla.org/en-US/security/advisories/mfsa2023-40/", "https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a", "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863", "https://security-tracker.debian.org/tracker/CVE-2023-4863", "https://bugzilla.suse.com/show_bug.cgi?id=1215231", "https://news.ycombinator.com/item?id=37478403", "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-4863", "https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html?m=1", "https://nvd.nist.gov/vuln/detail/CVE-2023-4863" ] } ], "actions": [ { "text": "ベンダーの指示に従って緩和策を適用するか、緩和策が利用できない場合は製品の使用を中止する。", "kind": "fix", "sourceUrls": [ "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-4863" ], "evidenceIds": [ "E4" ] }, { "text": "「CVE-2023-4863」と現在の版を管理担当者・提供元へ伝え、この問題に対応した修正版が提供されているか確認します。下の問い合わせ文に記入すれば、そのまま依頼できます。対象範囲の上限から修正版の番号を推測しないでください。", "kind": "procedure", "sourceUrls": [ "https://www.cve.org/CVERecord?id=CVE-2023-4863", "https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html", "https://crbug.com/1479274", "https://en.bandisoft.com/honeyview/history/", "https://stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/", "https://www.mozilla.org/en-US/security/advisories/mfsa2023-40/", "https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a", "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863", "https://security-tracker.debian.org/tracker/CVE-2023-4863", "https://bugzilla.suse.com/show_bug.cgi?id=1215231", "https://news.ycombinator.com/item?id=37478403", "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-4863", "https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html?m=1", "https://nvd.nist.gov/vuln/detail/CVE-2023-4863" ] }, { "text": "対象製品の正規の更新機能、または提供元が指定する配布経路で修正を含む更新を適用します。業務用の機器・サーバーは管理担当者と停止時間を決め、更新に必要な再起動まで完了させてください。", "kind": "procedure", "sourceUrls": [ "https://www.cisa.gov/sites/default/files/2024-09/Secure-Our-World-Software-Updates-Tip-Sheet.pdf", "https://www.cve.org/CVERecord?id=CVE-2023-4863", "https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html", "https://crbug.com/1479274", "https://en.bandisoft.com/honeyview/history/", "https://stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/", "https://www.mozilla.org/en-US/security/advisories/mfsa2023-40/", "https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a", "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863", "https://security-tracker.debian.org/tracker/CVE-2023-4863", "https://bugzilla.suse.com/show_bug.cgi?id=1215231", "https://news.ycombinator.com/item?id=37478403", "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-4863", "https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html?m=1", "https://nvd.nist.gov/vuln/detail/CVE-2023-4863" ] } ], "temporaryMitigations": [ { "text": "修正が間に合わない場合は、提供元に「このCVEに有効な回避策」「利用を続けてよい条件」「修正予定日」を確認します。機能停止や接続制限が必要かは、その製品・構成に合わせて管理担当者と決めてください。", "kind": "procedure", "sourceUrls": [ "https://www.cve.org/CVERecord?id=CVE-2023-4863", "https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html", "https://crbug.com/1479274", "https://en.bandisoft.com/honeyview/history/", "https://stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/", "https://www.mozilla.org/en-US/security/advisories/mfsa2023-40/", "https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a", "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863", "https://security-tracker.debian.org/tracker/CVE-2023-4863", "https://bugzilla.suse.com/show_bug.cgi?id=1215231", "https://news.ycombinator.com/item?id=37478403", "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-4863", "https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html?m=1", "https://nvd.nist.gov/vuln/detail/CVE-2023-4863" ] } ], "verification": [ { "text": "対応を依頼した場合は、実施した版・設定と完了日時、この脆弱性への修正が含まれると判断した根拠を担当者から受け取ってください。更新後は普段使う主要な操作も確認します。", "kind": "procedure", "sourceUrls": [ "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/4xxx/CVE-2023-4863.json" ], "evidenceIds": [ "E2" ] }, { "text": "更新後に製品情報を開き直して版・ビルド番号を記録し、このCVEへの修正が含まれることを提供元の回答・修正情報と照合します。通常使う主要な操作も確かめてください。", "kind": "procedure", "sourceUrls": [ "https://www.cisa.gov/sites/default/files/2024-09/Secure-Our-World-Software-Updates-Tip-Sheet.pdf", "https://www.cve.org/CVERecord?id=CVE-2023-4863", "https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html", "https://crbug.com/1479274", "https://en.bandisoft.com/honeyview/history/", "https://stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/", "https://www.mozilla.org/en-US/security/advisories/mfsa2023-40/", "https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a", "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863", "https://security-tracker.debian.org/tracker/CVE-2023-4863", "https://bugzilla.suse.com/show_bug.cgi?id=1215231", "https://news.ycombinator.com/item?id=37478403", "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-4863", "https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html?m=1", "https://nvd.nist.gov/vuln/detail/CVE-2023-4863" ] } ], "unknowns": [ "この解説は、利用中の機器・サイトの設定や修正の適用状況を検査した結果ではありません。製品名・版と上に示した条件を、実際の環境と照合してください。", "今回取得した資料から、修正済みと明記された版の番号を取り出せていません。修正が存在しないという意味ではありません。対象の製品・現在の版を添え、提供元に修正版の番号と適用方法を確認してください。" ], "sources": [ { "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/4xxx/CVE-2023-4863.json", "label": "CVE：Chrome" }, { "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-4863", "label": "CISA KEV（悪用確認）" }, { "url": "https://www.cve.org/CVERecord?id=CVE-2023-4863", "label": "CVE公式レコード" }, { "url": "https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html", "label": "CVE掲載の参考情報" }, { "url": "https://crbug.com/1479274", "label": "CVE掲載の参考情報" }, { "url": "https://en.bandisoft.com/honeyview/history/", "label": "CVE掲載の参考情報" }, { "url": "https://stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/", "label": "CVE掲載の参考情報" }, { "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2023-40/", "label": "CVE掲載の参考情報" }, { "url": "https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a", "label": "CVE掲載の参考情報" }, { "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863", "label": "CVE掲載の参考情報" }, { "url": "https://security-tracker.debian.org/tracker/CVE-2023-4863", "label": "CVE掲載の参考情報" }, { "url": "https://bugzilla.suse.com/show_bug.cgi?id=1215231", "label": "CVE掲載の参考情報" }, { "url": "https://news.ycombinator.com/item?id=37478403", "label": "CVE掲載の参考情報" }, { "url": "https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html?m=1", "label": "CISAが示す関連情報" }, { "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4863", "label": "CISAが示す関連情報" }, { "url": "https://www.cisa.gov/sites/default/files/2024-09/Secure-Our-World-Software-Updates-Tip-Sheet.pdf", "label": "CISA：ソフトウェア更新の基本" } ], "evidence": [ { "id": "E1", "sourceUrl": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/4xxx/CVE-2023-4863.json", "sourceField": "/containers/cna/descriptions/0/value", "excerpt": "Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)", "language": "en", "representation": "source_excerpt" }, { "id": "E2", "sourceUrl": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/4xxx/CVE-2023-4863.json", "sourceField": "/containers/cna/affected/0", "excerpt": "{\"vendor\":\"Google\",\"product\":\"Chrome\",\"versions\":[{\"version\":\"116.0.5845.187\",\"status\":\"affected\",\"lessThan\":\"116.0.5845.187\",\"versionType\":\"custom\"}]}", "language": null, "representation": "source_json" }, { "id": "E3", "sourceUrl": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/4xxx/CVE-2023-4863.json", "sourceField": "/containers/cna/affected/1", "excerpt": "{\"vendor\":\"Google\",\"product\":\"libwebp\",\"versions\":[{\"version\":\"1.3.2\",\"status\":\"affected\",\"lessThan\":\"1.3.2\",\"versionType\":\"custom\"}]}", "language": null, "representation": "source_json" }, { "id": "E4", "sourceUrl": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-4863", "sourceField": "/sourceAction", "excerpt": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.", "language": null }, { "id": "E5", "sourceUrl": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-4863", "sourceField": "/exploitStatus", "excerpt": "{\"id\":\"CVE-2023-4863\",\"source\":\"CISA KEV\",\"knownExploited\":true,\"meaning\":\"CISA lists this vulnerability as known to have been exploited in the wild. This does not establish compromise of the reader's environment or prove ongoing attacks today.\"}", "language": "en", "representation": "normalized_feed_field" } ], "supportRequest": "件名：CVE-2023-4863（Chrome / libwebp）の影響と対応確認\n\n利用中の製品・サービス：[記入してください]\n現在のバージョン・設定：[不明なら「不明」と記入]\n\n次の公式情報にある条件が、私たちの環境に当てはまるか確認をお願いします。\n・Google Chrome のバージョンが 116.0.5845.187 未満である場合に影響を受ける。\n・libwebp のバージョンが 1.3.2 未満である場合に影響を受ける。\n・公式の対象表：Google / Chrome。影響ありとして記載：対象表の開始値と上限がどちらも116.0.5845.187で、上限条件は「未満」です。この表だけでは範囲を確定できないため、説明文の対象範囲も照合してください。\n・公式の対象表：Google / libwebp。影響ありとして記載：対象表の開始値と上限がどちらも1.3.2で、上限条件は「未満」です。この表だけでは範囲を確定できないため、説明文の対象範囲も照合してください。\n・CISAの一覧では、この脆弱性が実際の攻撃に使われたことが確認されています。対象かどうかの確認と修正を優先してください。この情報だけで、あなたの環境が被害を受けたとは判断できません。\n\n対象の場合、適用する修正・回避策、実施予定、停止や再起動の必要性、完了後の確認結果を教えてください。\n確認している情報：https://zeijaku.ittrip.xyz/vulnerabilities/CVE-2023-4863", "publicationCheckVersion": "2026-10-23.1", "sourceNotices": [], "automation": { "status": "ready", "lastAttempt": "2026-10-23T03:41:43.364Z", "lastSuccess": "2026-10-23T03:41:43.364Z", "sourceCheckedAt": "2026-10-23T02:43:29.162Z", "errorCode": null }, "glossary": [] } } ], "total": 1, "limit": 20, "offset": 0, "filters": { "product": "all", "type": "all", "q": "CVE-2023-4863", "page": 1 }, "pagination": { "page": 1, "pageSize": 20, "totalPages": 1 }, "sources": [ { "name": "JVN", "status": "ok", "lastSuccess": "2026-10-23T06:17:49.165Z", "lastAttempt": "2026-10-23T06:17:49.165Z", "error": null, "recordCount": 20, "coverage": "JVNの新着・更新RSS。取得した記事を蓄積。JVN iPediaは含みません。", "cursor": null, "freshness": "fresh", "stale": false }, { "name": "PHP Security", "status": "ok", "lastSuccess": "2026-10-23T06:17:49.165Z", "lastAttempt": "2026-10-23T06:17:49.165Z", "error": null, "recordCount": 66, "coverage": "PHP開発元の公開アドバイザリ。公開日が新しい順とは限らない直近100件を取得し蓄積。", "cursor": null, "freshness": "fresh", "stale": false }, { "name": "CISA KEV", "status": "ok", "lastSuccess": "2026-10-23T06:17:49.165Z", "lastAttempt": "2026-10-23T06:17:49.165Z", "error": null, "recordCount": 1754, "coverage": "CISAの公式GitHubミラーにある悪用確認済み一覧全件。掲載日はKEV追加日。", "cursor": null, "freshness": "fresh", "stale": false }, { "name": "NVD", "status": "ok", "lastSuccess": "2026-10-23T06:17:49.165Z", "lastAttempt": "2026-10-23T06:17:49.165Z", "error": null, "recordCount": 22, "coverage": "WordPressを含む脆弱性。初回は公開7日分、以降は全製品の変更分からWordPressと保存済みIDを追跡。停止後は最後に確認できた時刻から最大7日幅・500件ずつ再開し、残りは次回取得。 今回: 2026-10-23T05:02:49.729Z 〜 2026-10-23T06:17:49.165Z、全製品の変更 39/39件まで確認、対象22件反映。", "cursor": null, "freshness": "fresh", "stale": false }, { "name": "CVE", "status": "ok", "lastSuccess": "2026-10-23T06:17:49.165Z", "lastAttempt": "2026-10-23T06:17:49.165Z", "error": null, "recordCount": 6, "coverage": "取得したPHP/JVN情報のうち、公開日が新しい最大6件のCVE公式レコードで条件を補足。", "cursor": null, "freshness": "fresh", "stale": false } ] }