CVE-2011-5036

NameCVE-2011-5036
DescriptionRack 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-2783-1
Debian Bugs653963

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ruby-rack (PTS)bullseye (security), bullseye2.1.4-3+deb11u2fixed
bookworm, bookworm (security)2.2.6.4-1+deb12u1fixed
sid, trixie2.2.7-1.1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
librack-rubysourcesqueeze1.1.0-4+squeeze1DSA-2783-1
librack-rubysource(unstable)(unfixed)
ruby-racksource(unstable)1.4.0-1653963

Notes

https://github.com/rack/rack/commit/5b9d09a81a9fdc9475f0ab0095cb2a33bf2a8f91
Search for package or bug name: Reporting problems