libdbd-mysql-perl 4.028 Error Message memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in libdbd-mysql-perl 4.028 (Database Software). It has been classified as critical. Affected is an unknown code of the component Error Message Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability.

The weakness was disclosed 10/03/2016 by Paul Rohar as DSA-3684-1 as confirmed mailinglist post (Bugtraq). The advisory is shared for download at This vulnerability is traded as CVE-2016-1246 since 12/27/2015. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The advisory points out:

Paul Rohar discovered that libdbd-mysql-perl, the Perl DBI database driver for MySQL and MariaDB, constructed an error message in a fixed-length buffer, leading to a crash (_FORTIFY_SOURCE failure) and, potentially, to denial of service.

The vulnerability scanner Nessus provides a plugin with the ID 94027 (Fedora 24 : perl-DBD-MySQL (2016-870236238e)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context local. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196601 (Ubuntu Security Notification for Libdbd-mysql-perl Vulnerabilities (USN-3103-1)).

Upgrading to version 4.028-2+deb8u2 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (94027). The entry 90876 is pretty similar.


  • Debian GNU/Linux





  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
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NVD Base Score: 7.5
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Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 94027
Nessus Name: Fedora 24 : perl-DBD-MySQL (2016-870236238e)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
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OpenVAS ID: 64279
OpenVAS Name: Fedora Update for perl-DBD-MySQL FEDORA-2016-c0f589bd32
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

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0-Day Time: 🔍
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Upgrade: libdbd-mysql-perl 4.028-2+deb8u2


12/27/2015 🔍
10/03/2016 +281 days 🔍
10/03/2016 +0 days 🔍
10/04/2016 +1 days 🔍
10/05/2016 +1 days 🔍
10/12/2016 +7 days 🔍
10/13/2016 +1 days 🔍
09/21/2022 +2169 days 🔍


Advisory: DSA-3684-1
Researcher: Paul Rohar
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1246 (🔍)

SecurityFocus: 93337 - perl-DBD-MySQL CVE-2016-1246 Remote Buffer Overflow Vulnerability

See also: 🔍


Created: 10/04/2016 10:08 AM
Updated: 09/21/2022 04:05 PM
Changes: 10/04/2016 10:08 AM (73), 04/30/2019 11:44 AM (13), 09/21/2022 04:05 PM (4)
Complete: 🔍


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