Description
Vulnerability in Best Practical Solutions, LLC's Request Tracker prior to v5.0.8, where the Triple DES (3DES) cryptographic algorithm is used to protect emails sent with S/MIME encryption. Triple DES is considered obsolete and insecure due to its susceptibility to birthday attacks, which could compromise the confidentiality of encrypted messages.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Best Practical Solutions | Request Tracker | < 5.0.8 | 5.0.8 |
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 | 5.0.7+dfsg-3 | — |
| Debian 13 | request-tracker5 | 5.0.7+dfsg-3 | — |
| Debian 12 | request-tracker4 | 4.4.6+dfsg-1.1+deb12u2 | DSA-5911-1 |
| Debian 12 | request-tracker5 | 5.0.3+dfsg-3~deb12u3 | DSA-5909-1 |
| Debian 11 | request-tracker4 | 4.4.4+dfsg-2+deb11u4 | DLA-4157-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | request-tracker4 | No fix yet | — |
| Ubuntu 25.10 | request-tracker4 | No fix yet | — |
| Ubuntu 24.04 LTS | request-tracker4 | No fix yet | — |
| Ubuntu 22.04 LTS | request-tracker4 | No fix yet | — |
| Ubuntu 20.04 LTS | request-tracker4 | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | request-tracker4 | No fix yet | — |
| 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 | No fix yet | — |
Advisories 4
- USN-7692-1 request-tracker5 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-5909-1 request-tracker5 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-5911-1 request-tracker4 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-4157-1 request-tracker4 - security update Debian Security (DSA / DLA) · Mar 9, 2026