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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":June 21, 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
253121	4.3	警告	SquirrelMail Project	-	SquirrelMail 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-2010-4555	2012-03-27 18:42	2011-07-11	Show	GitHub Exploit DB Packet Storm

253122	4.3	警告	SquirrelMail Project	-	SquirrelMail の functions/page_header.php におけるクリックジャック攻撃を誘発する脆弱性	CWE-20 不適切な入力確認	CVE-2010-4554	2012-03-27 18:42	2011-07-12	Show	GitHub Exploit DB Packet Storm

253123	9.3	危険	Opera Software ASA	-	Opera における詳細不明の脆弱性	CWE-DesignError	CVE-2010-4587	2012-03-27 18:42	2010-12-16	Show	GitHub Exploit DB Packet Storm

253124	10	危険	Opera Software ASA	-	Opera のデフォルト設定における脆弱性	CWE-16 環境設定	CVE-2010-4586	2012-03-27 18:42	2010-12-16	Show	GitHub Exploit DB Packet Storm

253125	5	警告	Opera Software ASA	-	Opera の自動更新機能におけるサービス運用妨害 (DoS) の脆弱性	CWE-noinfo 情報不足	CVE-2010-4585	2012-03-27 18:42	2010-12-16	Show	GitHub Exploit DB Packet Storm

253126	2.6	注意	Opera Software ASA	-	Opera における信頼されるコンテンツを偽造される脆弱性	CWE-310 暗号の問題	CVE-2010-4584	2012-03-27 18:42	2010-12-16	Show	GitHub Exploit DB Packet Storm

253127	2.6	注意	Opera Software ASA	-	Opera における信頼されるコンテンツを偽造される脆弱性	CWE-DesignError	CVE-2010-4583	2012-03-27 18:42	2010-12-16	Show	GitHub Exploit DB Packet Storm

253128	5	警告	Opera Software ASA	-	Opera におけるアクセス制限を回避される脆弱性	CWE-264 認可・権限・アクセス制御	CVE-2010-4582	2012-03-27 18:42	2010-12-16	Show	GitHub Exploit DB Packet Storm

253129	10	危険	Opera Software ASA	-	Opera における詳細不明の脆弱性	CWE-noinfo 情報不足	CVE-2010-4581	2012-03-27 18:42	2010-12-16	Show	GitHub Exploit DB Packet Storm

253130	5	警告	Opera Software ASA	-	Opera における重要な情報を取得される脆弱性	CWE-200 情報漏えい	CVE-2010-4580	2012-03-27 18:42	2010-12-16	Show	GitHub Exploit DB Packet Storm

NVD Vulnerability Information

Update Date:June 21, 2026, 4:01 a.m.

No	CVSS	Level Attach Vector	Vendor Name	Project Name	Title	CWE	CVE	Update Date	Publication Date	Show Affected	Exploit PoC Search
219381	8.8	HIGH Network	mozilla canonical	firefox firefox_esr ubuntu_linux	Mozilla developers reported memory safety bugs present in Firefox 76 and Firefox ESR 68.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these…	CWE-787 Out-of-bounds Write	CVE-2020-12410	2024-11-21 13:59	2020-07-10	Show	GitHub Exploit DB Packet Storm

219382	8.8	HIGH Network	mozilla	firefox	When using certain blank characters in a URL, they where incorrectly rendered as spaces instead of an encoded URL. This vulnerability affects Firefox < 77.	NVD-CWE-Other	CVE-2020-12409	2024-11-21 13:59	2020-07-10	Show	GitHub Exploit DB Packet Storm

219383	6.5	MEDIUM Network	mozilla	firefox	When browsing a document hosted on an IP address, an attacker could insert certain characters to flip domain and path information in the address bar. This vulnerability affects Firefox < 77.	NVD-CWE-noinfo	CVE-2020-12408	2024-11-21 13:59	2020-07-10	Show	GitHub Exploit DB Packet Storm

219384	6.5	MEDIUM Network	mozilla	firefox	Mozilla Developer Nicolas Silva found that when using WebRender, Firefox would under certain conditions leak arbitrary GPU memory to the visible screen. The leaked memory content was visible to the u…	CWE-125 Out-of-bounds Read	CVE-2020-12407	2024-11-21 13:59	2020-07-10	Show	GitHub Exploit DB Packet Storm

219385	8.8	HIGH Network	mozilla canonical	thunderbird firefox firefox_esr ubuntu_linux	Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary cod…	CWE-345 Insufficient Verification of Data Authenticity	CVE-2020-12406	2024-11-21 13:59	2020-07-10	Show	GitHub Exploit DB Packet Storm

219386	5.3	MEDIUM Network	mozilla canonical	thunderbird firefox firefox_esr ubuntu_linux	When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and…	CWE-362 CWE-416 Race Condition Use After Free	CVE-2020-12405	2024-11-21 13:59	2020-07-10	Show	GitHub Exploit DB Packet Storm

219387	4.3	MEDIUM Network	mozilla	firefox	For native-to-JS bridging the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token could leak when used for downloading files. This vulnera…	CWE-79 Cross-site Scripting	CVE-2020-12404	2024-11-21 13:59	2020-07-10	Show	GitHub Exploit DB Packet Storm

219388	4.4	MEDIUM Local	mozilla opensuse fedoraproject debian	firefox leap fedora debian_linux	During RSA key generation, bignum implementations used a variation of the Binary Extended Euclidean Algorithm which entailed significantly input-dependent flow. This allowed an attacker able to perfo…	CWE-203 Information Exposure Through Discrepancy	CVE-2020-12402	2024-11-21 13:59	2020-07-10	Show	GitHub Exploit DB Packet Storm

219389	4.4	MEDIUM Local	mozilla debian	thunderbird firefox firefox_esr debian_linux	NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firef…	CWE-203 Information Exposure Through Discrepancy	CVE-2020-12399	2024-11-21 13:59	2020-07-10	Show	GitHub Exploit DB Packet Storm

219390	7.5	HIGH Network	mozilla canonical	thunderbird ubuntu_linux	If Thunderbird is configured to use STARTTLS for an IMAP server, and the server sends a PREAUTH response, then Thunderbird will continue with an unencrypted connection, causing email data to be sent …	CWE-319 Cleartext Transmission of Sensitive Information	CVE-2020-12398	2024-11-21 13:59	2020-07-10	Show	GitHub Exploit DB Packet Storm

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