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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
Search keywords must be entered in English otherwise will not be searched in both JVN and NVD.

To search by CWE, please refer to the CWE Overview and check the CWE number.

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JVN Vulnerability Information

Update Date":June 18, 2026, 4 p.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
Search
258611 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
258612 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-2009-2059 2010-09-27 16:10 2009-06-15 Show GitHub Exploit DB Packet Storm
258613 9.3 危険 アドビシステムズ
Opera Software ASA		 - Opera における Adobe Acrobat の JavaScript の制限を回避される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2009-1599 2010-09-27 16:09 2009-05-11 Show GitHub Exploit DB Packet Storm
258614 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-2008-7245 2010-09-27 16:09 2009-09-18 Show GitHub Exploit DB Packet Storm
258615 9.3 危険 Opera Software ASA - Windows 上で稼働する Opera におけるヒープベースのバッファオーバーフローの脆弱性 CWE-119
バッファエラー 		CVE-2008-5178 2010-09-27 16:09 2008-11-20 Show GitHub Exploit DB Packet Storm
258616 10 危険 Opera Software ASA - Opera における脆弱性 CWE-noinfo
情報不足 		CVE-2009-0916 2010-09-27 16:08 2009-03-3 Show GitHub Exploit DB Packet Storm
258617 4.3 警告 Opera Software ASA - Windows 上で稼働する 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-2008-5428 2010-09-27 16:07 2008-12-11 Show GitHub Exploit DB Packet Storm
258618 4.3 警告 Opera Software ASA - Opera の Opera.dll 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-2008-4725 2010-09-27 16:07 2008-10-23 Show GitHub Exploit DB Packet Storm
258619 5.8 警告 Opera Software ASA - Opera における新規フィードの購読を作成される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2008-4698 2010-09-27 16:05 2008-10-23 Show GitHub Exploit DB Packet Storm
258620 10 危険 Opera Software ASA - Windows 上で稼働する Opera における任意のコードを実行される脆弱性 CWE-noinfo
情報不足 		CVE-2008-4293 2010-09-27 16:05 2008-09-27 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:June 18, 2026, 4 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
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211981 8.8 HIGH
Network 		mozilla thunderbird When reading SMTP server status codes, Thunderbird writes an integer value to a position on the stack that is intended to contain just one byte. Depending on processor architecture and stack layout, … CWE-787
 Out-of-bounds Write 		CVE-2020-26970 2024-11-21 14:20 2020-12-9 Show GitHub Exploit DB Packet Storm
211982 8.8 HIGH
Network 		mozilla firefox Mozilla developers reported memory safety bugs present in Firefox 82. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been expl… CWE-787
 Out-of-bounds Write 		CVE-2020-26969 2024-11-21 14:20 2020-12-9 Show GitHub Exploit DB Packet Storm
211983 8.8 HIGH
Network 		mozilla firefox
firefox_esr
thunderbird 		Mozilla developers reported memory safety bugs present in Firefox 82 and Firefox ESR 78.4. 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-2020-26968 2024-11-21 14:20 2020-12-9 Show GitHub Exploit DB Packet Storm
211984 6.5 MEDIUM
Network 		mozilla firefox When listening for page changes with a Mutation Observer, a malicious web page could confuse Firefox Screenshots into interacting with elements other than those that it injected into the page. This w… NVD-CWE-noinfo
CVE-2020-26967 2024-11-21 14:20 2020-12-9 Show GitHub Exploit DB Packet Storm
211985 6.5 MEDIUM
Network 		mozilla firefox
firefox_esr
thunderbird 		Searching for a single word from the address bar caused an mDNS request to be sent on the local network searching for a hostname consisting of that string; resulting in an information leak. *Note: Th… NVD-CWE-Other
CVE-2020-26966 2024-11-21 14:20 2020-12-9 Show GitHub Exploit DB Packet Storm
211986 4.3 MEDIUM
Network 		mozilla firefox Repeated calls to the history and location interfaces could have been used to hang the browser. This was addressed by introducing rate-limiting to these API calls. This vulnerability affects Firefox … NVD-CWE-noinfo
CVE-2020-26963 2024-11-21 14:20 2020-12-9 Show GitHub Exploit DB Packet Storm
211987 6.5 MEDIUM
Network 		mozilla firefox
firefox_esr
thunderbird 		Some websites have a feature "Show Password" where clicking a button will change a password field into a textbook field, revealing the typed password. If, when using a software keyboard that remember… CWE-212
 Improper Removal of Sensitive Information Before Storage or Transfer 		CVE-2020-26965 2024-11-21 14:20 2020-12-9 Show GitHub Exploit DB Packet Storm
211988 6.8 MEDIUM
Network 		mozilla firefox If the Remote Debugging via USB feature was enabled in Firefox for Android on an Android version prior to Android 6.0, untrusted apps could have connected to the feature and operated with the privile… NVD-CWE-noinfo
CVE-2020-26964 2024-11-21 14:20 2020-12-9 Show GitHub Exploit DB Packet Storm
211989 6.1 MEDIUM
Network 		mozilla firefox Cross-origin iframes that contained a login form could have been recognized by the login autofill service, and populated. This could have been used in clickjacking attacks, as well as be read across … CWE-1021
 Improper Restriction of Rendered UI Layers or Frames 		CVE-2020-26962 2024-11-21 14:20 2020-12-9 Show GitHub Exploit DB Packet Storm
211990 6.5 MEDIUM
Network 		mozilla firefox
firefox_esr
thunderbird 		When DNS over HTTPS is in use, it intentionally filters RFC1918 and related IP ranges from the responses as these do not make sense coming from a DoH resolver. However when an IPv4 address was mapped… NVD-CWE-noinfo
CVE-2020-26961 2024-11-21 14:20 2020-12-9 Show GitHub Exploit DB Packet Storm