CVE-2009-4484
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.
Official description from the CVE record, published by mitre. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
EPSS
- Score
- 0.69552 (69.6% probability)
- Percentile
- 99.4%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
References
- intevydis.com/mysql_overflow1.py.txt
- dev.mysql.com/doc/refman/5.1/en/news-5-1-43.html
- 38573 (secunia.com)third-party-advisory
- USN-1397-1 (ubuntu.com)vendor-advisory
- 37493 (secunia.com)third-party-advisory
- yassl.com/release.html
- yassl.com/news.html
- bazaar.launchpad.net/~mysql/mysql-server/mysql-5.0/revision…
- intevydis.com/blog/?p=106
- intevydis.com/mysql_demo.html
- intevydis.blogspot.com/2010/01/mysq-yassl-stack-overflow.ht…
- 38364 (secunia.com)third-party-advisory
- 38517 (secunia.com)third-party-advisory
- yassl.cvs.sourceforge.net/viewvc/yassl/yassl/taocrypt/src/a…
- 37974 (securityfocus.com)vdb-entry
- 1023513 (securitytracker.com)vdb-entry
- USN-897-1 (ubuntu.com)vendor-advisory
- metasploit.com/modules/exploit/linux/mysql/mysql_yassl_getn…
- ADV-2010-0236 (vupen.com)vdb-entry
- [dailydave] 20100106 0day demos (archives.neohapsis.com)mailing-list
- bugzilla.redhat.com/show_bug.cgi?id=555313
- bugs.mysql.com/bug.php?id=50227
- 37640 (securityfocus.com)vdb-entry
- mysql-unspecified-bo(55416) (exchange.xforce.ibmcloud.com)vdb-entry
- intevydis.com/blog/?p=57
- isc.sans.org/diary.html?storyid=7900
- [commits] 20100113 bzr commit into mysql-5.0-bugteam branch (ramil:2838) Bug#50227 (lists.mysql.com)mailing-list
- 1023402 (securitytracker.com)vdb-entry
- dev.mysql.com/doc/refman/5.0/en/news-5-0-90.html
- 61956 (osvdb.org)vdb-entry
- intevydis.com/vd-list.shtml
- 38344 (secunia.com)third-party-advisory
- 37943 (securityfocus.com)vdb-entry
- ADV-2010-0233 (vupen.com)vdb-entry
- [dailydave] 20100126 New db bugs (lists.immunitysec.com)mailing-list
- DSA-1997 (debian.org)vendor-advisory
Timeline
- ID reserved
- Record published
- Record last updated
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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:49 UTC. Sources and licenses