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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
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JVN Vulnerability Information

Update Date":May 4, 2026, 10 a.m.

No	CVSS	Level Attach Vector	Vendor Name	Project Name	Title	CWE	CVE	Update Date	Publication Date	Impact Show	Exploit PoC Search
252821	4.3	警告	Opera Software ASA	-	Opera におけるクロスサイトスクリプティングの脆弱性	CWE-79 クロスサイト・スクリプティング（XSS）	CVE-2009-3266	2010-09-27 16:14	2009-09-18	Show	GitHub Exploit DB Packet Storm

252822	4.3	警告	Opera Software ASA	-	Opera におけるクロスサイトスクリプティングの脆弱性	CWE-79 クロスサイト・スクリプティング（XSS）	CVE-2009-3265	2010-09-27 16:14	2009-09-18	Show	GitHub Exploit DB Packet Storm

252823	5	警告	Opera Software ASA	-	Opera の X.509 証明書における SSLサーバになりすまされる脆弱性	CWE-310 暗号の問題	CVE-2009-3044	2010-09-27 16:13	2009-09-1	Show	GitHub Exploit DB Packet Storm

252824	4.3	警告	Opera Software ASA	-	Opera における data: URI をブロックしない脆弱性	CWE-79 クロスサイト・スクリプティング（XSS）	CVE-2009-3013	2010-09-27 16:13	2009-08-31	Show	GitHub Exploit DB Packet Storm

252825	5	警告	Opera Software ASA	-	Opera におけるサービス運用妨害 (DoS) の脆弱性	CWE-399 リソース管理の問題	CVE-2009-2577	2010-09-27 16:12	2009-07-22	Show	GitHub Exploit DB Packet Storm

252826	4.3	警告	Opera Software ASA	-	Opera におけるサービス運用妨害 (DoS) の脆弱性	CWE-399 リソース管理の問題	CVE-2009-2540	2010-09-27 16:11	2009-07-20	Show	GitHub Exploit DB Packet Storm

252827	4.3	警告	Opera Software ASA	-	Opera における javascript: URI をブロックしない脆弱性	CWE-79 クロスサイト・スクリプティング（XSS）	CVE-2009-2351	2010-09-27 16:11	2009-07-7	Show	GitHub Exploit DB Packet Storm

252828	6.8	警告	Opera Software ASA	-	Opera における任意の https サイトになりすまされる脆弱性	CWE-287 不適切な認証	CVE-2009-2070	2010-09-27 16:11	2009-06-15	Show	GitHub Exploit DB Packet Storm

252829	6.8	警告	Opera Software ASA	-	Opera における任意の Web スクリプトを実行される脆弱性	CWE-287 不適切な認証	CVE-2009-2067	2010-09-27 16:10	2009-06-15	Show	GitHub Exploit DB Packet Storm

252830	6.8	警告	Opera Software ASA	-	Opera における任意の Web スクリプトを実行される脆弱性	CWE-287 不適切な認証	CVE-2009-2063	2010-09-27 16:10	2009-06-15	Show	GitHub Exploit DB Packet Storm

NVD Vulnerability Information

Update Date:May 4, 2026, 4:06 a.m.

No	CVSS	Level Attach Vector	Vendor Name	Project Name	Title	CWE	CVE	Update Date	Publication Date	Show Affected	Exploit PoC Search
257681	6.5	MEDIUM Network	tats	w3m	An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. w3m allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted HTML page.	CWE-476 NULL Pointer Dereference	CVE-2016-9623	2024-11-21 12:01	2016-12-12	Show	GitHub Exploit DB Packet Storm

257682	6.5	MEDIUM Network	tats	w3m	An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. w3m allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted HTML page.	CWE-476 NULL Pointer Dereference	CVE-2016-9622	2024-11-21 12:01	2016-12-12	Show	GitHub Exploit DB Packet Storm

257683	6.5	MEDIUM Network	tats	w3m	An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. w3m allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted HTML page.	CWE-476 NULL Pointer Dereference	CVE-2016-9443	2024-11-21 12:01	2016-12-12	Show	GitHub Exploit DB Packet Storm

257684	6.5	MEDIUM Network	tats	w3m	An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. w3m allows remote attackers to cause memory corruption in certain conditions via a crafted HTML page.	CWE-119 Incorrect Access of Indexable Resource ('Range Error')	CVE-2016-9442	2024-11-21 12:01	2016-12-12	Show	GitHub Exploit DB Packet Storm

257685	6.5	MEDIUM Network	tats	w3m	An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. w3m allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted HTML page.	CWE-476 NULL Pointer Dereference	CVE-2016-9441	2024-11-21 12:01	2016-12-12	Show	GitHub Exploit DB Packet Storm

257686	6.5	MEDIUM Network	tats	w3m	An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. w3m allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted HTML page.	CWE-476 NULL Pointer Dereference	CVE-2016-9440	2024-11-21 12:01	2016-12-12	Show	GitHub Exploit DB Packet Storm

257687	6.5	MEDIUM Network	tats	w3m	An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. Infinite recursion vulnerability in w3m allows remote attackers to cause a denial of service via a crafted HTML page.	CWE-119 Incorrect Access of Indexable Resource ('Range Error')	CVE-2016-9439	2024-11-21 12:01	2016-12-12	Show	GitHub Exploit DB Packet Storm

257688	6.5	MEDIUM Network	tats	w3m	An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. w3m allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted HTML page.	CWE-476 NULL Pointer Dereference	CVE-2016-9438	2024-11-21 12:01	2016-12-12	Show	GitHub Exploit DB Packet Storm

257689	6.5	MEDIUM Network	tats	w3m	An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. w3m allows remote attackers to cause a denial of service (segmentation fault and crash) and possibly memory corruption via a…	CWE-119 Incorrect Access of Indexable Resource ('Range Error')	CVE-2016-9437	2024-11-21 12:01	2016-12-12	Show	GitHub Exploit DB Packet Storm

257690	6.5	MEDIUM Network	tats	w3m	An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. w3m allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted HTML page.	CWE-476 NULL Pointer Dereference	CVE-2016-9434	2024-11-21 12:01	2016-12-12	Show	GitHub Exploit DB Packet Storm

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