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CVE-2017-3329

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Thread Pooling...

7.5 HighFix available

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Thread Pooling). Supported versions that are affected are 5.5.54 and earlier, 5.6.35 and earlier and 5.7.17 and earlier. Easily "exploitable" vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

3.74%Up 2.7 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Thread Pooling). Supported versions that are affected are 5.5.54 and earlier, 5.6.35 and earlier and 5.7.17 and earlier. Easily "exploitable" vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Record
CVE-2017-3329
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Thread Pooling). Supported versions that are affected are 5.5.54 and earlier, 5.6.35 and earlier and 5.7.17 and earlier. Easily "exploitable" vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Record
CVE-2017-3329
Updated
2026-11-02
EUVDEUVD-2017-12450 No score

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Thread Pooling). Supported versions that are affected are 5.5.54 and earlier, 5.6.35 and earlier and 5.7.17 and earlier. Easily "exploitable" vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Record
EUVD-2017-12450
Updated
2026-11-03
GitHub AdvisoriesGHSA-mvwq-j7xm-gvvx 7.5

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Thread Pooling...

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Thread Pooling). Supported versions that are affected are 5.5.54 and earlier, 5.6.35 and earlier and 5.7.17 and earlier. Easily "exploitable" vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Record
GHSA-mvwq-j7xm-gvvx
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSV 7.5

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Thread Pooling). Supported versions that are affected are 5.5.54 and earlier, 5.6.35 and earlier and 5.7.17 and earlier. Easily "exploitable" vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Record
CVE-2017-3329
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2017-3329 7.5

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Thread Pooling). Supported versions that are affected are 5.5.54 and earlier, 5.6.35 and earlier and 5.7.17 and earlier. Easily "exploitable" vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Record
UBUNTU-CVE-2017-3329
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVSUSE-SU-2017:1137-1 No score

Security update for mysql

This update for mysql to version 5.5.55 fixes the following issues:

These security issues were fixed:

  • CVE-2017-3308: Unspecified vulnerability in Server: DML (bsc#1034850)
  • CVE-2017-3309: Unspecified vulnerability in Server: Optimizer (bsc#1034850)
  • CVE-2017-3329: Unspecified vulnerability in Server: Thread (bsc#1034850)
  • CVE-2017-3600: Unspecified vulnerability in Client: mysqldump (bsc#1034850)
  • CVE-2017-3453: Unspecified vulnerability in Server: Optimizer (bsc#1034850)
  • CVE-2017-3456: Unspecified vulnerability in Server: DML (bsc#1034850)
  • CVE-2017-3463: Unspecified vulnerability in Server: Security (bsc#1034850)
  • CVE-2017-3462: Unspecified vulnerability in Server: Security (bsc#1034850)
  • CVE-2017-3461: Unspecified vulnerability in Server: Security (bsc#1034850)
  • CVE-2017-3464: Unspecified vulnerability in Server: DDL (bsc#1034850)
  • CVE-2017-3305: MySQL client sent authentication request unencrypted even if SSL was required (aka Ridddle) (bsc#1029396).
  • CVE-2016-5483: Mysqldump failed to properly quote certain identifiers in SQL statements written to the dump output, allowing for execution of arbitrary commands (bsc#1029014)
  • '--ssl-mode=REQUIRED' can be specified to require a secure connection (it fails if a secure connection cannot be obtained)

This non-security issue was fixed:

  • Set the default umask to 077 in rc.mysql-multi [bsc#1020976]

For additional changes please see http://dev.mysql.com/doc/relnotes/mysql/5.5/en/news-5-5-55.html

Note: The issue tracked in bsc#1022428 and fixed in the last update was assigned CVE-2017-3302.

Record
SUSE-SU-2017:1137-1
Updated
2026-11-02
OSVUSN-3269-1 No score

mysql-5.5, mysql-5.7 vulnerabilities

Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues.

MySQL has been updated to 5.5.55 in Ubuntu 14.04 LTS. Ubuntu 16.04 LTS, Ubuntu 16.10 and Ubuntu 17.04 have been updated to MySQL 5.7.18.

In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes.

Please see the following for more information: http://dev.mysql.com/doc/relnotes/mysql/5.5/en/news-5-5-55.html http://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-18.html http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.html

Record
USN-3269-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
mysql-5.5
Debian:7
 before 5.5.55-0+deb7u1, plus listed versions
5.5.30+dfsg-1.15.5.31+dfsg-0+wheezy15.5.31+dfsg-15.5.33+dfsg-0+wheezy15.5.33+dfsg-1
Show 22 moreShow less
5.5.35+dfsg-0+wheezy15.5.35+dfsg-15.5.35+dfsg-25.5.37-0+wheezy15.5.37-15.5.38-0+wheezy15.5.39-15.5.40-0+wheezy15.5.40-15.5.41-0+wheezy15.5.42-15.5.43-0+deb7u15.5.44-0+deb7u15.5.46-0+deb7u15.5.47-0+deb7u15.5.49-0+deb7u15.5.50-0+deb7u15.5.50-0+deb7u25.5.52-0+deb7u15.5.53-0+deb7u15.5.54-0+deb7u15.5.54-0+deb7u2
5.5.55-0+deb7u1
mysql-5.5
Debian:8
 before 5.5.55-0+deb8u1, plus listed versions
5.5.42-15.5.43-0+deb8u15.5.44-0+deb8u15.5.46-0+deb8u15.5.47-0+deb8u1
Show 5 moreShow less
5.5.49-0+deb8u15.5.50-0+deb8u15.5.52-0+deb8u15.5.53-0+deb8u15.5.54-0+deb8u1
5.5.55-0+deb8u1
mysql
SUSE:Linux Enterprise Software Development Kit 11 SP4
 before 5.5.55-0.38.1
5.5.55-0.38.1
mysql
SUSE:Linux Enterprise Server 11 SP4
 before 5.5.55-0.38.1
5.5.55-0.38.1
mysql
SUSE:Linux Enterprise Server for SAP Applications 11 SP4
 before 5.5.55-0.38.1
5.5.55-0.38.1
mysql-5.5
Ubuntu:14.04:LTS
 before 5.5.55-0ubuntu0.14.04.1, plus listed versions
5.5.32-0ubuntu75.5.34-0ubuntu15.5.34-0ubuntu25.5.35-0ubuntu15.5.35+dfsg-1ubuntu1
Show 13 moreShow less
5.5.37-0ubuntu0.14.04.15.5.38-0ubuntu0.14.04.15.5.40-0ubuntu0.14.04.15.5.41-0ubuntu0.14.04.15.5.43-0ubuntu0.14.04.15.5.44-0ubuntu0.14.04.15.5.46-0ubuntu0.14.04.25.5.47-0ubuntu0.14.04.15.5.49-0ubuntu0.14.04.15.5.50-0ubuntu0.14.04.15.5.52-0ubuntu0.14.04.15.5.53-0ubuntu0.14.04.15.5.54-0ubuntu0.14.04.1
5.5.55-0ubuntu0.14.04.1
mysql-5.7
Ubuntu:16.04:LTS
 before 5.7.18-0ubuntu0.16.04.1, plus listed versions
5.7.11-0ubuntu45.7.11-0ubuntu55.7.11-0ubuntu65.7.12-0ubuntu15.7.12-0ubuntu1.1
Show 5 moreShow less
5.7.13-0ubuntu0.16.04.25.7.15-0ubuntu0.16.04.15.7.16-0ubuntu0.16.04.15.7.17-0ubuntu0.16.04.15.7.17-0ubuntu0.16.04.2
5.7.18-0ubuntu0.16.04.1
percona-server-5.6
Ubuntu:16.04:LTS
 All versions, plus listed versions
5.6.22-rel71.0-0ubuntu25.6.22-rel71.0-0ubuntu45.6.22-rel71.0-0ubuntu4.1
 None known
percona-xtradb-cluster-5.6
Ubuntu:16.04:LTS
 All versions, plus listed versions
5.6.21-25.8-0ubuntu25.6.21-25.8-0ubuntu35.6.21-25.8-0ubuntu3.15.6.21-25.8-0ubuntu3.25.6.34-26.19-0ubuntu0.16.04.15.6.34-26.19-0ubuntu0.16.04.25.6.37-26.21-0ubuntu0.16.04.15.6.37-26.21-0ubuntu0.16.04.2
 None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2017-3329 is a high vulnerability (CVSS 7.5) in Oracle Mysql, published April 24, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.74%, the 89th percentile. Fixed in mysql-5.5 5.5.55-0+deb7u1.

References

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