{"id":"CVE-2007-3837","aliases":["EUVD-2007-3821","GHSA-hx8r-p24q-f264"],"status":"published","title":"Heap-based buffer overflow in HydraIRC 0.3.151 allows remote IRC servers to cause a denial of...","description":"Heap-based buffer overflow in HydraIRC 0.3.151 allows remote IRC servers to cause a denial of service (application crash) via a long CTCP request message containing '%' (percent) characters.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01422,"percentile":0.7302,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-07-17T22:00:00Z","modified":"2026-06-16T22:42:51Z","products":[{"vendor":"hydrairc","product":"hydrairc"}],"references":[{"url":"http://osvdb.org/38625","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/35408","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.portcullis-security.com/uplds/advisories/HydraIRC_bof-07_007.txt","tags":["x_refsource_MISC","x_transferred","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-3837"},{"url":"https://github.com/advisories/GHSA-hx8r-p24q-f264"}],"sources":{"cve":[{"id":"CVE-2007-3837","description":"Heap-based buffer overflow in HydraIRC 0.3.151 allows remote IRC servers to cause a denial of service (application crash) via a long CTCP request message containing '%' (percent) characters.","status":"published","published":"2007-07-17T22:00:00Z","modified":"2024-08-07T14:28:52.6Z","updated_at":"2026-11-02T13:32:56.730199Z"}],"euvd":[{"id":"EUVD-2007-3821","description":"Heap-based buffer overflow in HydraIRC 0.3.151 allows remote IRC servers to cause a denial of service (application crash) via a long CTCP request message containing '%' (percent) characters.","status":"published","published":"2007-07-17T22:00:00Z","modified":"2024-08-07T14:28:52Z","updated_at":"2026-11-03T01:16:24.545796Z"}],"ghsa":[{"id":"GHSA-hx8r-p24q-f264","title":"Heap-based buffer overflow in HydraIRC 0.3.151 allows remote IRC servers to cause a denial of...","description":"Heap-based buffer overflow in HydraIRC 0.3.151 allows remote IRC servers to cause a denial of service (application crash) via a long CTCP request message containing '%' (percent) characters.","status":"published","published":"2022-05-01T18:17:43Z","modified":"2023-01-31T05:04:11Z","updated_at":"2026-11-02T14:48:37.736488Z"}],"nvd":[{"id":"CVE-2007-3837","description":"Heap-based buffer overflow in HydraIRC 0.3.151 allows remote IRC servers to cause a denial of service (application crash) via a long CTCP request message containing '%' (percent) characters.","status":"published","published":"2007-07-17T22:30:00Z","modified":"2026-06-16T22:42:51.857Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:17.964611Z"}]}}