CVE-2015-8949

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-08-19 · updated 2026-06-17
Weakness: CWE-416

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.

Affected products

Dbd-Mysql Project Dbd-Mysql: 4.033
Debian Linux: 8.0

References

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

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