CVE-2020-11076
puma - security update
7.5
HIGH
CVSS 3.1
EPSS 1.8%
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.
How to fix CVE-2020-11076
To remediate CVE-2020-11076, upgrade the affected package to a fixed version below.
- Debian/puma—upgrade to 4.3.6-1 or later
- Debian/puma—upgrade to 3.6.0-1+deb9u1 or later
- —upgrade to 3.12.5 or later
Is CVE-2020-11076 being exploited?
Low — EPSS is 1.8%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 4.3.6-1
- from 0, < 3.6.0-1+deb9u1
- from 0, < 3.12.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |