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CVE-2009-4484

Multiple stack-based buffer overflows in the CertDecoder::GetName function in src/asn.cpp in...

7.5 HighPublic exploit

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.

Exploit likelihood

69.6%Down 6.8 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

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.

Record
CVE-2009-4484
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2009-4484
Updated
2026-11-02
EUVDEUVD-2009-4451 No score

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.

Record
EUVD-2009-4451
Updated
2026-11-03
GitHub AdvisoriesGHSA-r9xr-rjgc-3q5h No score

Multiple stack-based buffer overflows in the CertDecoder::GetName function in src/asn.cpp in...

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.

Record
GHSA-r9xr-rjgc-3q5h
Weakness
CWE-787
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
mysql-dfsg-5.0
Debian:4.0
From an advisory covering 3 CVEs
 before 5.0.32-7etch12, plus listed versions
5.0.32-7etch15.0.32-7etch105.0.32-7etch115.0.32-7etch35.0.32-7etch3~bpo31+1
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5.0.32-7etch45.0.32-7etch55.0.32-7etch5~bpo31+15.0.32-7etch65.0.32-7etch8
5.0.32-7etch12
mysql-dfsg-5.0
Debian:5.0
From an advisory covering 3 CVEs
 before 5.0.51a-24+lenny3, plus listed versions
5.0.51a-235.0.51a-245.0.51a-24+lenny15.0.51a-24+lenny1~bpo40+15.0.51a-24+lenny25.0.51a-24+lenny2+spu15.0.51a-24+lenny2~bpo40+15.0.51a-24~bpo40+1
5.0.51a-24+lenny3

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
MetasploitMySQL yaSSL CertDecoder::GetName Buffer Overflow2010-01-25
Exploit-DBMySQL - yaSSL CertDecoder::GetName Buffer Overflow (Metasploit)2010-04-30

History

History
RecordedChangedSources
affected, exploits, facts
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-4484 is a high vulnerability (CVSS 7.5) in Oracle Mysql, published December 30, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 69.6%, the 99th percentile. No source names a fixed version.

References

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