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Vulnerability record · CVE-2015-8949 · published 19 August 2016

CVE-2015-8949: Dbd-mysql project dbd-mysql use after free vulnerability

DDbd Mysql Project · Dbd Mysql

Use-after-free vulnerability in the my_login function in DBD::mysql before 4.033_01 allows attackers to have unspecified impact by leveraging a call to mysql_errno after a failure of my_login.

9.8 CVSS 3.0 Critical EPSS 4.5% · top 8.7% CWE-416 · Use after free
9.8CVSS 3.0 base score, v2 10.0
4.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
18References
17 Jun 2026Last modified by NVD

Description

Use-after-free vulnerability in the my_login function in DBD::mysql before 4.033_01 allows attackers to have unspecified impact by leveraging a call to mysql_errno after a failure of my_login.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.debian.org/security/2016/dsa-3635 Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/25/13 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/27/1 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/92118
https://blog.fuzzing-project.org/50-Use-after-free-in-my_login-function-of-DBDmysql-Perl-module.html Third Party Advisory
https://github.com/perl5-dbi/DBD-mysql/blob/4.033_01/Changes Release Notes
https://github.com/perl5-dbi/DBD-mysql/commit/cf0aa7751f6ef8445e9310a64b14dc81460ca156 Issue TrackingPatch
https://github.com/perl5-dbi/DBD-mysql/pull/45 Issue TrackingPatch
https://security.gentoo.org/glsa/201701-51
http://www.debian.org/security/2016/dsa-3635 Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/25/13 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/27/1 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/92118
https://blog.fuzzing-project.org/50-Use-after-free-in-my_login-function-of-DBDmysql-Perl-module.html Third Party Advisory
https://github.com/perl5-dbi/DBD-mysql/blob/4.033_01/Changes Release Notes
https://github.com/perl5-dbi/DBD-mysql/commit/cf0aa7751f6ef8445e9310a64b14dc81460ca156 Issue TrackingPatch
https://github.com/perl5-dbi/DBD-mysql/pull/45 Issue TrackingPatch
https://security.gentoo.org/glsa/201701-51

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Source: NIST National Vulnerability Database (record CVE-2015-8949), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.