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OpenAdvisories
High RHSA-2023:1981 2 CVEs

Red Hat Security Advisory: pcs security and bug fix update

Published Sep 30, 2024 · Updated Jun 29, 2026

Ecosystem: Red Hat

Fixed packages 4

ReleasePackageFixed in
Red Hat · RHEL 9.0 EUS rhel_eus:9.0::highavailability pcs 0:0.11.1-10.el9_0.4
Red Hat · RHEL 9.0 EUS rhel_eus:9.0::highavailability pcs-snmp 0:0.11.1-10.el9_0.4
Red Hat · RHEL 9.0 EUS rhel_eus:9.0::resilientstorage pcs 0:0.11.1-10.el9_0.4
Red Hat · RHEL 9.0 EUS rhel_eus:9.0::resilientstorage pcs-snmp 0:0.11.1-10.el9_0.4

Vulnerabilities 2

  • High 7.5
    CVE-2023-27530

    Rack has possible DoS Vulnerability in Multipart MIME parsing

    A DoS vulnerability exists in Rack <v3.0.4.2, <v2.2.6.3, <v2.1.4.3 and <v2.0.9.3 within in the Multipart MIME parsing code in which could allow an attacker to craft requests that can be abuse to cause multipart parsing to take longer than expected.

    rack ruby-rack ruby-rack Debian Ubuntu RubyGems
  • Medium 5.3
    CVE-2023-27539

    Possible Denial of Service Vulnerability in Rack's header parsing

    There is a denial of service vulnerability in the header parsing component of Rack.

    rails Rack rack ruby-rack Debian Ubuntu RubyGems

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2176477
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2179649
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2180699
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2183192
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_1981.json
  • report
    https://access.redhat.com/security/cve/CVE-2023-27530
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-27530
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-27530
  • article
    https://discuss.rubyonrails.org/t/cve-2023-27530-possible-dos-vulnerability-in-multipart-mime-parsing/82388
  • article
    https://github.com/rubysec/ruby-advisory-db/tree/master/gems/rack/CVE-2023-27530.yml
  • report
    https://access.redhat.com/security/cve/CVE-2023-27539
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-27539
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-27539
  • article
    https://discuss.rubyonrails.org/t/cve-2023-27539-possible-denial-of-service-vulnerability-in-racks-header-parsing/82466
  • article
    https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2023-27539.yml
  • article
    https://rubysec.com/advisories/CVE-2023-27539/