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CVE-2006-1516

The check_connection function in sql_parse.cc in MySQL 4.0.x up to 4.0.26, 4.1.x up to 4.1.18,...

5.0 MediumPublic exploit

The check_connection function in sql_parse.cc in MySQL 4.0.x up to 4.0.26, 4.1.x up to 4.1.18, and 5.0.x up to 5.0.20 allows remote attackers to read portions of memory via a username without a trailing null byte, which causes a buffer over-read.

Exploit likelihood

36.4%Up 15.0 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

The check_connection function in sql_parse.cc in MySQL 4.0.x up to 4.0.26, 4.1.x up to 4.1.18, and 5.0.x up to 5.0.20 allows remote attackers to read portions of memory via a username without a trailing null byte, which causes a buffer over-read.

Record
CVE-2006-1516
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Updated
2026-11-02
CVE List No score

The check_connection function in sql_parse.cc in MySQL 4.0.x up to 4.0.26, 4.1.x up to 4.1.18, and 5.0.x up to 5.0.20 allows remote attackers to read portions of memory via a username without a trailing null byte, which causes a buffer over-read.

Record
CVE-2006-1516
Updated
2026-11-02
EUVDEUVD-2006-1520 No score

The check_connection function in sql_parse.cc in MySQL 4.0.x up to 4.0.26, 4.1.x up to 4.1.18, and 5.0.x up to 5.0.20 allows remote attackers to read portions of memory via a username without a trailing null byte, which causes a buffer over-read.

Record
EUVD-2006-1520
Updated
2026-11-03
GitHub AdvisoriesGHSA-8q78-357r-r6m7 No score

The check_connection function in sql_parse.cc in MySQL 4.0.x up to 4.0.26, 4.1.x up to 4.1.18,...

The check_connection function in sql_parse.cc in MySQL 4.0.x up to 4.0.26, 4.1.x up to 4.1.18, and 5.0.x up to 5.0.20 allows remote attackers to read portions of memory via a username without a trailing null byte, which causes a buffer over-read.

Record
GHSA-8q78-357r-r6m7
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
mysql
Debian:3.0
From an advisory covering 4 CVEs
 before 3.23.49-8.15, plus listed versions
3.23.49-8.103.23.49-8.113.23.49-8.133.23.49-8.143.23.49-8.83.23.49-8.9
3.23.49-8.15
mysql-dfsg-4.1
Debian:3.1
From an advisory covering 4 CVEs
 before 4.1.11a-4sarge3, plus listed versions
4.1.11a-44.1.11a-4sarge14.1.11a-4sarge2
4.1.11a-4sarge3
mysql-dfsg
Debian:3.1
From an advisory covering 4 CVEs
 before 4.0.24-10sarge2, plus listed versions
4.0.24-104.0.24-10sarge1
4.0.24-10sarge2
mysql
Red Hat:enterprise_linux:4::as
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
mysql-bench
Red Hat:enterprise_linux:4::as
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
mysql-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
mysql-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
mysql-server
Red Hat:enterprise_linux:4::as
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
mysql
Red Hat:enterprise_linux:4::desktop
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
mysql-bench
Red Hat:enterprise_linux:4::desktop
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
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Affected packages
PackageAffectedFixed
mysql-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
mysql-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
mysql-server
Red Hat:enterprise_linux:4::desktop
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
mysql
Red Hat:enterprise_linux:4::es
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
mysql-bench
Red Hat:enterprise_linux:4::es
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
mysql-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
mysql-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
mysql-server
Red Hat:enterprise_linux:4::es
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
mysql
Red Hat:enterprise_linux:4::ws
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
mysql-bench
Red Hat:enterprise_linux:4::ws
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
mysql-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
mysql-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1
mysql-server
Red Hat:enterprise_linux:4::ws
From an advisory covering 6 CVEs
 before 0:4.1.20-1.RHEL4.1
0:4.1.20-1.RHEL4.1

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBMySQL 4.1.18/5.0.20 - Local/Remote Information Leakage2006-05-02

History

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

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

In short

CVE-2006-1516 is a medium vulnerability (CVSS 5.0) in Mysql, published May 5, 2006. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 36.4%, the 98th percentile. No source names a fixed version.

References

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