CVE-2009-2577
Opera 9.52 and earlier allows remote attackers to cause a denial of service (CPU and memory...
Opera 9.52 and earlier allows remote attackers to cause a denial of service (CPU and memory consumption, and application hang) via a long Unicode string argument to the write method, a related issue to CVE-2009-2479.
Exploit likelihood
What each source reports
NVD Score used
Opera 9.52 and earlier allows remote attackers to cause a denial of service (CPU and memory consumption, and application hang) via a long Unicode string argument to the write method, a related issue to CVE-2009-2479.
- Record
CVE-2009-2577- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
Opera 9.52 and earlier allows remote attackers to cause a denial of service (CPU and memory consumption, and application hang) via a long Unicode string argument to the write method, a related issue to CVE-2009-2479.
- Record
CVE-2009-2577- Updated
- 2026-11-02
EUVDEUVD-2009-2572 No score
Opera 9.52 and earlier allows remote attackers to cause a denial of service (CPU and memory consumption, and application hang) via a long Unicode string argument to the write method, a related issue to CVE-2009-2479.
- Record
EUVD-2009-2572- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p3mw-2r4j-49c2 No score
Opera 9.52 and earlier allows remote attackers to cause a denial of service (CPU and memory...
Opera 9.52 and earlier allows remote attackers to cause a denial of service (CPU and memory consumption, and application hang) via a long Unicode string argument to the write method, a related issue to CVE-2009-2479.
- Record
GHSA-p3mw-2r4j-49c2- 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-2009-2577 is a medium vulnerability (CVSS 5.0) in Opera Browser, published July 22, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.62%, the 76th percentile. No source names a fixed version.