{"id":"CVE-2009-2577","aliases":["EUVD-2009-2572","GHSA-p3mw-2r4j-49c2"],"status":"published","title":"Opera 9.52 and earlier allows remote attackers to cause a denial of service (CPU and memory...","description":"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.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01617,"percentile":0.76203,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2009-07-22T18:00:00Z","modified":"2026-06-16T23:09:44Z","products":[{"vendor":"opera","product":"opera_browser"}],"references":[{"url":"http://websecurity.com.ua/3338/","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/505092/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-2577"},{"url":"http://websecurity.com.ua/3338"},{"url":"https://github.com/advisories/GHSA-p3mw-2r4j-49c2"}],"sources":{"cve":[{"id":"CVE-2009-2577","description":"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.","status":"published","published":"2009-07-22T18:00:00Z","modified":"2024-08-07T05:59:55.638Z","updated_at":"2026-11-02T14:33:23.041383Z"}],"euvd":[{"id":"EUVD-2009-2572","description":"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.","status":"published","published":"2009-07-22T18:00:00Z","modified":"2024-08-07T05:59:55Z","updated_at":"2026-11-03T01:39:17.005545Z"}],"ghsa":[{"id":"GHSA-p3mw-2r4j-49c2","title":"Opera 9.52 and earlier allows remote attackers to cause a denial of service (CPU and memory...","description":"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.","status":"published","published":"2022-05-02T03:36:41Z","modified":"2025-04-09T04:13:16Z","updated_at":"2026-11-02T15:01:00.53445Z"}],"nvd":[{"id":"CVE-2009-2577","description":"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.","status":"published","published":"2009-07-22T18:30:00.517Z","modified":"2026-06-16T23:09:44.853Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:01:36.200173Z"}]}}