perl-DBD-MySQL: Use after free when my_login fails
Published Aug 19, 2016
9.8
CRITICALCVSS 3.0
EPSS 4.49%
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
No data.
- 4.033
- 8.0
No data.
Red Hat Enterprise Linux 5
perl-DBD-MySQL
Not affected
Red Hat Enterprise Linux 6
perl-DBD-MySQL
Not affected
Red Hat Enterprise Linux 7
perl-DBD-MySQL
Not affected
Red Hat Software Collections
perl516-perl-DBD-MySQL
Not affected
Red Hat Software Collections
rh-perl520-perl-DBD-MySQL
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | perl-DBD-MySQL | Not affected | n/a |
| Red Hat Enterprise Linux 6 | perl-DBD-MySQL | Not affected | n/a |
| Red Hat Enterprise Linux 7 | perl-DBD-MySQL | Not affected | n/a |
| Red Hat Software Collections | perl516-perl-DBD-MySQL | Not affected | n/a |
| Red Hat Software Collections | rh-perl520-perl-DBD-MySQL | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.49% (0.04485) | 91.17th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.49% (0.04485) | 90.21th | v5 (v2026.06.15) |
| Mar 30, 2025 | 3.92% (0.03925) | 87.24th | v4 (v2025.03.14) |
| Mar 29, 2025 | 8.06% (0.08057) | 86.61th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.92% (0.03925) | 87.54th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.90% (0.00895) | 83.35th | v3 (v2023.03.01) |
| Jan 30, 2024 | 0.90% (0.00895) | 80.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.63% (0.00632) | 75.79th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.54% (0.01537) | 74.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
References (13)
- http://www.debian.org/security/2016/dsa-3635 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/07/25/13 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/07/27/1 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/92118 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2015-8949 Vendor Advisory
- https://blog.fuzzing-project.org/50-Use-after-free-in-my_login-function-of-DBDmysql-Perl-module.html x_refsource_MISCThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1360279 Issue Tracking
- https://github.com/perl5-dbi/DBD-mysql/blob/4.033_01/Changes x_refsource_CONFIRMRelease Notes
- https://github.com/perl5-dbi/DBD-mysql/commit/cf0aa7751f6ef8445e9310a64b14dc81460ca156 x_refsource_CONFIRMIssue TrackingPatch
- https://github.com/perl5-dbi/DBD-mysql/pull/45 x_refsource_CONFIRMIssue TrackingPatch
- https://nvd.nist.gov/vuln/detail/CVE-2015-8949
- https://security.gentoo.org/glsa/201701-51 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2015-8949
Change history (0)
No recorded changes yet.