What’s Vulnerable › Vulnerabilities

CVE-2010-2121

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2010-06-01 · updated 2026-06-16
• Weakness: CWE-399

Description

Opera 9.52 allows remote attackers to cause a denial of service (resource consumption) via JavaScript code containing an infinite loop that creates IFRAME elements for invalid (1) news:// or (2) nntp:// URIs.

Affected products

• Opera Browser: 9.52

References

• http://websecurity.com.ua/4238/
• http://www.securityfocus.com/archive/1/511509/100/0/threaded
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11622
• http://websecurity.com.ua/4238/
• http://www.securityfocus.com/archive/1/511509/100/0/threaded
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11622

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