{"cve":"CVE-2009-4484","nvd":{"published":"2009-12-30T21:30:00.547","modified":"2026-06-16T23:13:45.160","status":"Modified","description":"Multiple stack-based buffer overflows in the CertDecoder::GetName function in src/asn.cpp in TaoCrypt in yaSSL before 1.9.9, as used in mysqld in MySQL 5.0.x before 5.0.90, MySQL 5.1.x before 5.1.43, MySQL 5.5.x through 5.5.0-m2, and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption and daemon crash) by establishing an SSL connection and sending an X.509 client certificate with a crafted name field, as demonstrated by mysql_overflow1.py and the vd_mysql5 module in VulnDisco Pack Professional 8.11. NOTE: this was originally reported for MySQL 5.0.51a.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-787"],"references":["http://archives.neohapsis.com/archives/dailydave/2010-q1/0002.html","http://bazaar.launchpad.net/~mysql/mysql-server/mysql-5.0/revision/2837.1.1","http://bugs.mysql.com/bug.php?id=50227","http://dev.mysql.com/doc/refman/5.0/en/news-5-0-90.html","http://dev.mysql.com/doc/refman/5.1/en/news-5-1-43.html"],"products":["canonical:ubuntu_linux","debian:debian_linux","mariadb:mariadb","oracle:mysql","wolfssl:yassl"],"source":"nvd","synced_at":"2026-10-19T19:55:32.599380760+00:00"},"epss":{"cve":"CVE-2009-4484","score":0.69552,"percentile":0.99364,"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."]}