Description
MapServer is a system for developing web-based GIS applications. Prior to 8.4.1, the XML Filter Query directive PropertyName is vulnerably to Boolean-based SQL injection. It seems like expression checking is bypassed by introducing double quote characters in the PropertyName. Allowing to manipulate backend database queries. This vulnerability is fixed in 8.4.1.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| MapServer | MapServer | < 8.4.1 | — |
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 | mapserver | 8.4.1-1 | — |
| Debian 13 | mapserver | 8.4.0-4+deb13u1 | — |
| Debian 12 | mapserver | 8.0.0-3+deb12u1 | — |
| Debian 11 | mapserver | 7.6.2-1+deb11u1 | DLA-4506-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | mapserver | No fix yet | — |
| Ubuntu 26.04 LTS | mapserver | No fix yet | — |
| Ubuntu 25.10 | mapserver | No fix yet | — |
| Ubuntu 24.04 LTS | mapserver | No fix yet | — |
| Ubuntu 22.04 LTS | mapserver | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | mapserver | No fix yet | — |
| Ubuntu 18.04 LTS | mapserver | No fix yet | — |
| Ubuntu 16.04 LTS | mapserver | No fix yet | — |
Advisories 1
- DLA-4506-1 mapserver - security update Debian Security (DSA / DLA) · Mar 23, 2026