CVE catalog
CVE-2008-3656
ruby1.9 - several vulnerabilities
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 70.20% · Oct 25, 2026
Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted HTTP request that is processed by a backtracking regular expression. ruby: WEBrick DoS vulnerability (CPU consumption)
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 | ruby1.9 | 4.0 | 1.9.0+20060609-1 | vulnerable |
| Debian | ruby1.9 | 4.0 | 1.9.0+20060609-1etch1 | vulnerable |
| Debian | ruby1.9 | 4.0 | 1.9.0+20060609-1etch2 | vulnerable |
| Debian | ruby1.9 | 4.0 | 1.9.0+20060609-1etch3 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | ruby1.9 | deb | 4.0 | 1.9.0+20060609-1etch3 | Not reported | DSA-1652-1 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: