CVE-2009-2540
Opera, possibly 9.64 and earlier, allows remote attackers to cause a denial of service (memory...
Opera, possibly 9.64 and earlier, allows remote attackers to cause a denial of service (memory consumption) via a large integer value for the length property of a Select object, a related issue to CVE-2009-1692.
Exploit likelihood
What each source reports
NVD Score used
Opera, possibly 9.64 and earlier, allows remote attackers to cause a denial of service (memory consumption) via a large integer value for the length property of a Select object, a related issue to CVE-2009-1692.
- Record
CVE-2009-2540- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-770
- Updated
- 2026-11-02
CVE List No score
Opera, possibly 9.64 and earlier, allows remote attackers to cause a denial of service (memory consumption) via a large integer value for the length property of a Select object, a related issue to CVE-2009-1692.
- Record
CVE-2009-2540- Updated
- 2026-11-02
EUVDEUVD-2009-2535 No score
Opera, possibly 9.64 and earlier, allows remote attackers to cause a denial of service (memory consumption) via a large integer value for the length property of a Select object, a related issue to CVE-2009-1692.
- Record
EUVD-2009-2535- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-whgj-f82x-p3xc No score
Opera, possibly 9.64 and earlier, allows remote attackers to cause a denial of service (memory...
Opera, possibly 9.64 and earlier, allows remote attackers to cause a denial of service (memory consumption) via a large integer value for the length property of a Select object, a related issue to CVE-2009-1692.
- Record
GHSA-whgj-f82x-p3xc- Weakness
- CWE-770
- 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-2009-2540 is a medium vulnerability (CVSS 4.3) in Opera Browser, published July 20, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.05%, the 87th percentile. No source names a fixed version.