{"id":"CVE-2010-2810","aliases":["EUVD-2010-2814","GHSA-9h97-c3c6-r77v"],"status":"published","title":"Heap-based buffer overflow in the convert_to_idna function in WWW/Library/Implementation/HTParse...","description":"Heap-based buffer overflow in the convert_to_idna function in WWW/Library/Implementation/HTParse.c in Lynx 2.8.8dev.1 through 2.8.8dev.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a malformed URL containing a % (percent) character in the domain name.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.03663,"percentile":0.89708,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2010-08-20T17:00:00Z","modified":"2026-06-16T23:21:33Z","products":[{"vendor":"lynx","product":"lynx"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/61007","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://marc.info/?l=oss-security\u0026m=128152412221677\u0026w=2","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2010/2042","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"http://www.ubuntu.com/usn/USN-1642-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"http://marc.info/?l=oss-security\u0026m=128151768510564\u0026w=2","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://bugs.launchpad.net/ubuntu/+source/lynx-cur/+bug/613254","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-2810"},{"url":"https://github.com/advisories/GHSA-9h97-c3c6-r77v"}],"sources":{"cve":[{"id":"CVE-2010-2810","description":"Heap-based buffer overflow in the convert_to_idna function in WWW/Library/Implementation/HTParse.c in Lynx 2.8.8dev.1 through 2.8.8dev.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a malformed URL containing a % (percent) character in the domain name.","status":"published","published":"2010-08-20T17:00:00Z","modified":"2024-08-07T02:46:48.539Z","updated_at":"2026-11-02T14:33:27.01833Z"}],"euvd":[{"id":"EUVD-2010-2814","description":"Heap-based buffer overflow in the convert_to_idna function in WWW/Library/Implementation/HTParse.c in Lynx 2.8.8dev.1 through 2.8.8dev.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a malformed URL containing a % (percent) character in the domain name.","status":"published","published":"2010-08-20T17:00:00Z","modified":"2024-08-07T02:46:48Z","updated_at":"2026-11-03T01:39:36.439258Z"}],"ghsa":[{"id":"GHSA-9h97-c3c6-r77v","title":"Heap-based buffer overflow in the convert_to_idna function in WWW/Library/Implementation/HTParse...","description":"Heap-based buffer overflow in the convert_to_idna function in WWW/Library/Implementation/HTParse.c in Lynx 2.8.8dev.1 through 2.8.8dev.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a malformed URL containing a % (percent) character in the domain name.","status":"published","published":"2022-05-17T02:06:14Z","modified":"2023-01-27T05:01:09Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:41:49.563138Z"}],"nvd":[{"id":"CVE-2010-2810","description":"Heap-based buffer overflow in the convert_to_idna function in WWW/Library/Implementation/HTParse.c in Lynx 2.8.8dev.1 through 2.8.8dev.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a malformed URL containing a % (percent) character in the domain name.","status":"published","published":"2010-08-20T18:00:02.25Z","modified":"2026-06-16T23:21:33.063Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:52.227027Z"}]}}