Description
In Redmine before 3.2.8, 3.3.x before 3.3.5, and 3.4.x before 3.4.3, XSS exists in app/helpers/application_helper.rb via a multi-value field with a crafted value that is mishandled during rendering of issue history.
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 | redmine | 3.4.4-1 | — |
| Debian 13 | redmine | 3.4.4-1 | — |
| Debian 12 | redmine | 3.4.4-1 | — |
| Debian 9 | redmine | 3.3.1-4+deb9u1 | DSA-4191-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | redmine | No fix yet | — |
Advisories 1
- DSA-4191-1 redmine - security update Debian Security (DSA / DLA) · Mar 9, 2026