puma 3.12.4-1ubuntu2+esm1: puma 3.12.4-1ubuntu2+esm1 for Ubuntu 20.04 LTS (focal)

puma 3.12.4-1ubuntu2+esm1, released January 8, 2024, fixes 6 CVEs in puma. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

HighUnsupported product

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0409

90th percentile

Priority of the 6 CVEs

Patch now 0
                                Urgent 0
                                High 3
                                Routine 3

Fixed package versions

Product	Release	Fixed in
puma	Ubuntu 20.04 LTS (focal)	3.12.4-1ubuntu2+esm1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2022-24790	puma: Puma is a simple, fast, multi-threaded, parallel HTTP 1.1 server for Ruby/Rack applications	7.5	0.0219	None reported
High	CVE-2024-21647	rubygem-puma: unbounded resource consumption due to invalid parsing of chunked encoding in HTTP/1.1 can lead to	7.5	0.0096	None reported
High	CVE-2023-40175	puma: Puma is a Ruby/Rack web server built for parallelism	9.8	0.0085	None reported
Routine	CVE-2020-11076	puma: In Puma (RubyGem) before 4.3.4 and 3.12.5, an attacker could smuggle an HTTP response, by using an invalid transfer-e...	n/a	0.0409	None reported
Routine	CVE-2020-11077	puma: In Puma (RubyGem) before 4.3.5 and 3.12.6, a client could smuggle a request through a proxy, causing the proxy to sen...	n/a	0.0288	None reported
Routine	CVE-2022-23634	puma: Puma is a Ruby/Rack web server built for parallelism	5.9	0.0211	None reported

Also fixes CVE-2022-24790

puma 5.5.2-2ubuntu2+esm1
puma on Ubuntu 22.04.1 LTS (jammy)
DEBIAN-CVE-2022-24790
puma on Debian 12.15 (bookworm), Debian 13.5 (trixie), Debian 14

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