Red Hat Security Advisory: pcs security update
The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities. Security Fix(es): * rubygem-rack: Denial of Service Vulnerability in Rack Content-Type Parsing (CVE-2024-25126) * rubygem-rack: Possible DoS Vulnerability with Range Header in Rack (CVE-2024-26141) * rubygem-rack: Possible Denial of Service Vulnerability in Rack Header Parsing (CVE-2024-26146) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.10 Release Notes linked from the References section.
AI Analysis
Technical Summary
The pcs packages for Red Hat Enterprise Linux provide command-line configuration for Pacemaker and Corosync. This advisory fixes three denial of service vulnerabilities in the rubygem-rack dependency: CVE-2024-25126 (Content-Type parsing), CVE-2024-26141 (Range header handling), and CVE-2024-26146 (header parsing). These vulnerabilities could allow an attacker to cause a denial of service condition via crafted HTTP headers processed by Rack. Red Hat has released updated pcs packages in RHEL 8.10 that address these issues. The advisory also includes other pcs-related fixes and improvements. No CVSS scores are provided in the advisory, but the impact is rated moderate by Red Hat Product Security.
Potential Impact
The vulnerabilities allow denial of service attacks against applications using rubygem-rack, which could disrupt the availability of the pcs configuration system for Pacemaker and Corosync clusters. This could affect cluster management and high availability operations on affected Red Hat Enterprise Linux 8 systems. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated pcs packages in Red Hat Enterprise Linux 8.10 that fix these vulnerabilities. Users should apply the official update as described in the Red Hat advisory RHSA-2024:2953 and the linked update instructions (https://access.redhat.com/articles/11258). Applying this update will remediate the denial of service vulnerabilities in rubygem-rack. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: pcs security update
Description
The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities. Security Fix(es): * rubygem-rack: Denial of Service Vulnerability in Rack Content-Type Parsing (CVE-2024-25126) * rubygem-rack: Possible DoS Vulnerability with Range Header in Rack (CVE-2024-26141) * rubygem-rack: Possible Denial of Service Vulnerability in Rack Header Parsing (CVE-2024-26146) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.10 Release Notes linked from the References section.
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The pcs packages for Red Hat Enterprise Linux provide command-line configuration for Pacemaker and Corosync. This advisory fixes three denial of service vulnerabilities in the rubygem-rack dependency: CVE-2024-25126 (Content-Type parsing), CVE-2024-26141 (Range header handling), and CVE-2024-26146 (header parsing). These vulnerabilities could allow an attacker to cause a denial of service condition via crafted HTTP headers processed by Rack. Red Hat has released updated pcs packages in RHEL 8.10 that address these issues. The advisory also includes other pcs-related fixes and improvements. No CVSS scores are provided in the advisory, but the impact is rated moderate by Red Hat Product Security.
Potential Impact
The vulnerabilities allow denial of service attacks against applications using rubygem-rack, which could disrupt the availability of the pcs configuration system for Pacemaker and Corosync clusters. This could affect cluster management and high availability operations on affected Red Hat Enterprise Linux 8 systems. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated pcs packages in Red Hat Enterprise Linux 8.10 that fix these vulnerabilities. Users should apply the official update as described in the Red Hat advisory RHSA-2024:2953 and the linked update instructions (https://access.redhat.com/articles/11258). Applying this update will remediate the denial of service vulnerabilities in rubygem-rack. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2024:2953
- Cve Count
- 3
- Additional Cves
- ["CVE-2024-26141","CVE-2024-26146"]
Threat ID: 6a3da1f74853345fc1834c4a
Added to database: 06/25/2026, 21:47:35 UTC
Last enriched: 06/25/2026, 22:50:03 UTC
Last updated: 09/10/2026, 19:36:47 UTC
Views: 40
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