{"cve":"CVE-2007-4391","nvd":{"published":"2007-08-17T22:17:00.000","modified":"2026-06-16T22:43:59.500","status":"Modified","description":"Heap-based buffer overflow in Kakadu kdu_v32m.dll in Yahoo! Messenger 8.1.0.413 allows remote attackers to cause a denial of service (application crash) via a certain length field in JPEG2000 data, as demonstrated by sending an \"invite to view my webcam\" request, and then injecting a DLL into the attacker's peer Yahoo! Messenger application when this request is accepted.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20","CWE-119"],"references":["http://osvdb.org/38221","http://secunia.com/advisories/26501","http://www.avertlabs.com/research/blog/index.php/2007/08/15/more-on-the-yahoo-messenger-webcam-0day/","http://www.kb.cert.org/vuls/id/515968","http://www.securityfocus.com/bid/25330"],"products":["yahoo:messenger"],"source":"nvd","synced_at":"2026-10-19T19:48:28.501292361+00:00"},"epss":{"cve":"CVE-2007-4391","score":0.09314,"percentile":0.95375,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}