| Name | CVE-2020-11076 |
| Description | In Puma (RubyGem) before 4.3.4 and 3.12.5, an attacker could smuggle an HTTP response, by using an invalid transfer-encoding header. The problem has been fixed in Puma 3.12.5 and Puma 4.3.4. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2398-1 |
| Debian Bugs | 972102 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| puma (PTS) | stretch (security), stretch (lts), stretch | 3.6.0-1+deb9u2 | fixed |
| buster (security), buster, buster (lts) | 3.12.0-2+deb10u3 | fixed |
| bullseye | 4.3.8-1+deb11u2 | fixed |
| bullseye (security) | 4.3.8-1+deb11u3 | fixed |
| bookworm | 5.6.5-3 | fixed |
| sid, trixie | 6.4.3-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| puma | source | stretch | 3.6.0-1+deb9u1 | | DLA-2398-1 | |
| puma | source | buster | 3.12.0-2+deb10u2 | | | |
| puma | source | (unstable) | 4.3.6-1 | | | 972102 |
Notes
https://github.com/puma/puma/security/advisories/GHSA-x7jg-6pwg-fx5h
https://github.com/puma/puma/commit/f24d5521295a2152c286abb0a45a1e1e2bd275bd