Description
Use-after-free vulnerability in DBD::mysql before 4.029 allows attackers to cause a denial of service (program crash) or possibly execute arbitrary code via vectors related to a lost server connection.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libdbd-mysql-perl | 4.033-1 | — |
| Debian 13 | libdbd-mysql-perl | 4.033-1 | — |
| Debian 12 | libdbd-mysql-perl | 4.033-1 | — |
| Debian 8 | libdbd-mysql-perl | 4.028-2+deb8u1 | DSA-3635-1 |
| Debian 7 | libdbd-mysql-perl | 4.021-1+deb7u1 | DLA-576-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | libdbd-mysql-perl | 4.025-1ubuntu0.1 | USN-3103-1 |
Advisories 3
- DLA-576-1 libdbd-mysql-perl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3635-1 libdbd-mysql-perl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3103-1 libdbd-mysql-perl vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
References
- https://rt.cpan.org/Public/Bug/Display.html?id=97625
- [oss-security] 20160727 CVE Request: DBD-mysql: use-after-free in mysql_dr_error mailing-list
- https://github.com/perl5-dbi/DBD-mysql/commit/a56ae87a4c1c1fead7d09c3653905841ccccf1cc
- [oss-security] 20160727 Re: CVE Request: DBD-mysql: use-after-free in mysql_dr_error mailing-list
- DSA-3635 vendor-advisory
- http://cpansearch.perl.org/src/CAPTTOFU/DBD-mysql-4.029/ChangeLog
- 92149 vdb-entry