CVE-2010-2121
Opera 9.52 allows remote attackers to cause a denial of service (resource consumption) via...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2010-2121- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2010-2121- Updated
- 2026-11-02
EUVDEUVD-2010-2137 No score
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.
- Record
EUVD-2010-2137- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r2rq-46jr-gmf4 No score
Opera 9.52 allows remote attackers to cause a denial of service (resource consumption) via...
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.
- Record
GHSA-r2rq-46jr-gmf4- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2010-2121 is a medium vulnerability (CVSS 4.3) in Opera Browser, published June 1, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.98%, the 80th percentile. No source names a fixed version.