| Name | CVE-2023-27539 |
| Description | There is a denial of service vulnerability in the header parsing component of Rack. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3392-1, DSA-5530-1 |
| Debian Bugs | 1033264 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ruby-rack (PTS) | bullseye | 2.1.4-3+deb11u2 | fixed |
| bullseye (security) | 2.1.4-3+deb11u4 | fixed |
| bookworm | 2.2.13-1~deb12u1 | fixed |
| bookworm (security) | 2.2.20-0+deb12u1 | fixed |
| trixie | 3.1.16-0.1 | fixed |
| trixie (security) | 3.1.18-1~deb13u1 | fixed |
| forky, sid | 3.1.18-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/rack/rack/commit/231ef369ad0b542575fb36c74fcfcfabcf6c530c (v3.0.6.1)
https://github.com/rack/rack/commit/ee7919ea04303717858be1c3f16b406adc6d8cff (v2.2.6.4)
https://discuss.rubyonrails.org/t/cve-2023-27539-possible-denial-of-service-vulnerability-in-racks-header-parsing/82466