Description
The email gateway in RT (aka Request Tracker) 3.0.0 through 4.x before 4.0.23 and 4.2.x before 4.2.10 allows remote attackers to cause a denial of service (CPU and disk consumption) via a crafted email.
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 12 | request-tracker4 | 4.2.8-3 | — |
| Debian 7 | request-tracker4 | 4.0.7-5+deb7u3 | DSA-3176-1 |
| Debian 6.0 | request-tracker3.8 | 3.8.8-7+squeeze8 | DLA-158-1 |
Advisories 2
- DLA-158-1 request-tracker3.8 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3176-1 request-tracker4 - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://blog.bestpractical.com/2015/02/security-vulnerabilities-in-rt.html
- 72832 vdb-entry
- DSA-3176 vendor-advisory
- FEDORA-2015-4698 vendor-advisory
- FEDORA-2015-4666 vendor-advisory