| Name | CVE-2011-5036 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-2783-1 |
| Debian Bugs | 653963 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| ruby-rack (PTS) | jessie, jessie (lts) | 1.5.2-3+deb8u4 | fixed |
| stretch (security) | 1.6.4-4+deb9u2 | fixed | |
| stretch (lts), stretch | 1.6.4-4+deb9u6 | fixed | |
| buster (security), buster, buster (lts) | 2.0.6-3+deb10u4 | fixed | |
| bullseye (security), bullseye | 2.1.4-3+deb11u2 | fixed | |
| bookworm (security), bookworm | 2.2.6.4-1+deb12u1 | fixed | |
| sid, trixie | 2.2.7-1.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| librack-ruby | source | squeeze | 1.1.0-4+squeeze1 | DSA-2783-1 | ||
| librack-ruby | source | (unstable) | (unfixed) | |||
| ruby-rack | source | (unstable) | 1.4.0-1 | 653963 |
https://github.com/rack/rack/commit/5b9d09a81a9fdc9475f0ab0095cb2a33bf2a8f91