CVE catalog
CVE-2011-5036
ruby-rack: CVE-2011-5036
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 3.87% · Oct 25, 2026
Rack before 1.1.3, 1.2.x before 1.2.5, and 1.3.x before 1.3.6 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | ruby-rack | sid | 3.2.7-1 | fixed |
| Debian | ruby-rack | forky | 3.2.7-1 | fixed |
| Debian | ruby-rack | trixie | 3.1.20-0+deb13u1 | fixed |
| Debian | ruby-rack | trixie-security | 3.1.20-0+deb13u2 | fixed |
| Debian | ruby-rack | bookworm | 2.2.22-0+deb12u1 | fixed |
| Debian | ruby-rack | bookworm-security | 2.2.22-0+deb12u2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | ruby-rack | source | sid | 1.4.0-1 | not yet assigned | Not reported | [653963] |
| Debian | ruby-rack | source | forky | 1.4.0-1 | not yet assigned | Not reported | [653963] |
| Debian | ruby-rack | source | trixie | 1.4.0-1 | not yet assigned | Not reported | [653963] |
| Debian | ruby-rack | source | bookworm | 1.4.0-1 | not yet assigned | Not reported | [653963] |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [ruby-rack]Unknown
Details (4)
2.2.22-0+deb12u1· all · bookwormFixed · Fixed:
1.4.0-1dsa · ruby-rack · debian · bookworm; dsa · ruby-rack · debian · 12
2.2.22-0+deb12u1· all · bookwormFixed · Fixed:
1.4.0-1dsa · ruby-rack · debian · bookworm; dsa · ruby-rack · debian · 12
2.2.22-0+deb12u2· all · bookworm-securityFixed · Fixed:
1.4.0-1dsa · ruby-rack · debian · bookworm; dsa · ruby-rack · debian · 12
2.2.22-0+deb12u2· all · bookworm-securityFixed · Fixed:
1.4.0-1dsa · ruby-rack · debian · bookworm; dsa · ruby-rack · debian · 12
[Debian 13 (Trixie)]
- [ruby-rack]Unknown
Details (5)
3.1.20-0+deb13u1· all · trixieFixed · Fixed:
1.4.0-1dsa · ruby-rack · debian · 13
3.1.20-0+deb13u1· all · trixieFixed · Fixed:
1.4.0-1dsa · ruby-rack · debian · 13
3.1.20-0+deb13u1· all · trixie-securityFixed · Fixed:
1.4.0-1dsa · ruby-rack · debian · 13
3.1.20-0+deb13u1· all · trixie-security · Historical versionFixed · Fixed:
1.4.0-1dsa · ruby-rack · debian · 13
3.1.20-0+deb13u2· all · trixie-securityFixed · Fixed:
1.4.0-1dsa · ruby-rack · debian · 13
Observed: