Description
Best Practical Request Tracker (RT) before 4.4.7 and 5.x before 5.0.5 allows Information Disclosure via fake or spoofed RT email headers in an email message or a mail-gateway REST API call.
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 | request-tracker5 | 5.0.5+dfsg-1 | — |
| Debian 13 | request-tracker5 | 5.0.5+dfsg-1 | — |
| Debian 12 | request-tracker4 | 4.4.6+dfsg-1.1+deb12u1 | DSA-5542-1 |
| Debian 12 | request-tracker5 | 5.0.3+dfsg-3~deb12u2 | DSA-5541-1 |
| Debian 11 | request-tracker4 | 4.4.4+dfsg-2+deb11u3 | DSA-5542-1 |
| Debian 10 | request-tracker4 | 4.4.3-2+deb10u3 | DLA-3642-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | request-tracker4 | 4.4.4+dfsg-2ubuntu1.22.04.1 | USN-6529-1 |
| Ubuntu 20.04 LTS | request-tracker4 | 4.4.3-2+deb10u3build0.20.04.1 | USN-6529-1 |
| Ubuntu 16.04 LTS | request-tracker4 | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | request-tracker5 | 5.0.5+dfsg-2ubuntu0.1~esm1 | USN-7692-1 |
| Ubuntu Pro 22.04 LTS | request-tracker5 | 5.0.1+dfsg-1ubuntu1+esm1 | USN-7692-1 |
| Ubuntu Pro 18.04 LTS | request-tracker4 | 4.4.2-2ubuntu0.1~esm1 | USN-6529-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | rt4 | 4.4.7-r0 | — |
| Alpine v3.23 | rt4 | 4.4.7-r0 | — |
| Alpine v3.22 | rt4 | 4.4.7-r0 | — |
| Alpine v3.21 | rt4 | 4.4.7-r0 | — |
| Alpine v3.20 | rt4 | 4.4.7-r0 | — |
Advisories 5
- USN-7692-1 request-tracker5 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- USN-6529-1 request-tracker4 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-5541-1 request-tracker5 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-5542-1 request-tracker4 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3642-1 request-tracker4 - security update Debian Security (DSA / DLA) · Mar 9, 2026