Description
An issue was discovered in phpMyAdmin. Username matching for the allow/deny rules may result in wrong matches and detection of the username in the rule due to non-constant execution time. All 4.6.x versions (prior to 4.6.5), 4.4.x versions (prior to 4.4.15.9), and 4.0.x versions (prior to 4.0.10.18) are affected.
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 | phpmyadmin | 4:4.6.5.1-1 | — |
| Debian 13 | phpmyadmin | 4:4.6.5.1-1 | — |
| Debian 12 | phpmyadmin | 4:4.6.5.1-1 | — |
| Debian 8 | phpmyadmin | 4:4.2.12-2+deb8u6 | DLA-1821-1 |
| Debian 7 | phpmyadmin | 4:3.4.11.1-2+deb7u7 | DLA-757-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | phpmyadmin | No fix yet | — |
| Ubuntu Pro 14.04 LTS | phpmyadmin | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | phpMyAdmin | 4.6.5.2-1.1 | openSUSE-SU-2024:10054-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.23 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.22 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.21 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.20 | phpmyadmin | 4.6.5.2-r0 | — |
Show 17 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.18 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.17 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.16 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.15 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.14 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.13 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.12 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.11 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.10 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.9 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.8 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.7 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.6 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.5 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.4 | phpmyadmin | 4.6.5.2-r0 | — |
| Alpine v3.2 | phpmyadmin | 4.4.15.9-r0 | — |
Advisories 3
- DLA-757-1 phpmyadmin - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1821-1 phpmyadmin - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10054-1 phpMyAdmin-4.6.5.2-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://www.phpmyadmin.net/security/PMASA-2016-61
- 94529 vdb-entry
- GLSA-201701-32 vendor-advisory
- [debian-lts-announce] 20190617 [SECURITY] [DLA 1821-1] phpmyadmin security update mailing-list