OESA-2021-1203

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Source
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1203
Import Source
https://repo.openeuler.org/security/data/osv/OESA-2021-1203.json
JSON Data
https://api.osv.dev/v1/vulns/OESA-2021-1203
Upstream
Published
2021-06-07T11:02:55Z
Modified
2025-09-03T06:17:22.520181Z
Summary
rubygem-puma security update
Details

A simple, fast, threaded, and highly concurrent HTTP 1.1 server for Ruby/Rack applications.

Security Fix(es):

Puma is a concurrent HTTP 1.1 server for Ruby/Rack applications. The fix for CVE-2019-16770 was incomplete. The original fix only protected existing connections that had already been accepted from having their requests starved by greedy persistent-connections saturating all threads in the same process. However, new connections may still be starved by greedy persistent-connections saturating all threads in all processes in the cluster. A puma server which received more concurrent keep-alive connections than the server had threads in its threadpool would service only a subset of connections, denying service to the unserved connections. This problem has been fixed in puma 4.3.8 and 5.3.1. Setting queue_requests False also fixes the issue. This is not advised when using puma without a reverse proxy, such as nginx or apache, because you will open yourself to slow client attacks (e.g. slowloris). The fix is very small and a git patch is available for those using unsupported versions of Puma.(CVE-2021-29509)

Database specific 
{
    "severity": "High"
}
References

Affected packages

openEuler:20.03-LTS-SP1 / rubygem-puma

Package

Name
rubygem-puma
Purl
pkg:rpm/openEuler/rubygem-puma&distro=openEuler-20.03-LTS-SP1

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.12.6-2.oe1

Ecosystem specific 

{
    "noarch": [
        "rubygem-puma-doc-3.12.6-2.oe1.noarch.rpm"
    ],
    "src": [
        "rubygem-puma-3.12.6-2.oe1.src.rpm"
    ],
    "aarch64": [
        "rubygem-puma-3.12.6-2.oe1.aarch64.rpm",
        "rubygem-puma-debugsource-3.12.6-2.oe1.aarch64.rpm",
        "rubygem-puma-debuginfo-3.12.6-2.oe1.aarch64.rpm"
    ],
    "x86_64": [
        "rubygem-puma-debugsource-3.12.6-2.oe1.x86_64.rpm",
        "rubygem-puma-3.12.6-2.oe1.x86_64.rpm",
        "rubygem-puma-debuginfo-3.12.6-2.oe1.x86_64.rpm"
    ]
}