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): * rexml: rubygem-rexml: DoS when parsing an XML having many specific characters such as whitespace character, >] and ]> (CVE-2024-41123) * rexml: DoS vulnerability in REXML (CVE-2024-41946) * rexml: DoS vulnerability in REXML (CVE-2024-43398) 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.
AI Analysis
Technical Summary
The pcs packages in Red Hat Enterprise Linux provide command-line configuration for Pacemaker and Corosync. Three DoS vulnerabilities in the rubygem-rexml library (CVE-2024-41123, CVE-2024-41946, CVE-2024-43398) allow denial of service when parsing XML documents containing many specific characters such as whitespace, >], and ]>. Red Hat has issued security updates for these vulnerabilities in the pcs packages for multiple architectures and variants of RHEL 8.8 Extended Update Support. The advisory references fixes in pcs version 0.10.15-4.el8_8.3 and related packages. No CVSS scores are provided, but the impact is rated moderate by Red Hat.
Potential Impact
Successful exploitation of these vulnerabilities can cause denial of service conditions in systems using the pcs packages due to issues in XML parsing by rubygem-rexml. This may disrupt configuration management of Pacemaker and Corosync utilities, potentially affecting high availability and resilient storage services on affected Red Hat Enterprise Linux 8.8 systems.
Mitigation Recommendations
Red Hat has released updated pcs packages (version 0.10.15-4.el8_8.3) that address these vulnerabilities. Users of affected Red Hat Enterprise Linux 8.8 Extended Update Support variants should apply the provided security updates as described in the Red Hat advisory RHSA-2024:6703. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigation is indicated by the vendor advisory.
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): * rexml: rubygem-rexml: DoS when parsing an XML having many specific characters such as whitespace character, >] and ]> (CVE-2024-41123) * rexml: DoS vulnerability in REXML (CVE-2024-41946) * rexml: DoS vulnerability in REXML (CVE-2024-43398) 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.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The pcs packages in Red Hat Enterprise Linux provide command-line configuration for Pacemaker and Corosync. Three DoS vulnerabilities in the rubygem-rexml library (CVE-2024-41123, CVE-2024-41946, CVE-2024-43398) allow denial of service when parsing XML documents containing many specific characters such as whitespace, >], and ]>. Red Hat has issued security updates for these vulnerabilities in the pcs packages for multiple architectures and variants of RHEL 8.8 Extended Update Support. The advisory references fixes in pcs version 0.10.15-4.el8_8.3 and related packages. No CVSS scores are provided, but the impact is rated moderate by Red Hat.
Potential Impact
Successful exploitation of these vulnerabilities can cause denial of service conditions in systems using the pcs packages due to issues in XML parsing by rubygem-rexml. This may disrupt configuration management of Pacemaker and Corosync utilities, potentially affecting high availability and resilient storage services on affected Red Hat Enterprise Linux 8.8 systems.
Mitigation Recommendations
Red Hat has released updated pcs packages (version 0.10.15-4.el8_8.3) that address these vulnerabilities. Users of affected Red Hat Enterprise Linux 8.8 Extended Update Support variants should apply the provided security updates as described in the Red Hat advisory RHSA-2024:6703. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigation is indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2024:6703
- Cve Count
- 3
- Additional Cves
- ["CVE-2024-41946","CVE-2024-43398"]
Threat ID: 6a3da1f04853345fc1832116
Added to database: 06/25/2026, 21:47:28 UTC
Last enriched: 06/25/2026, 22:43:42 UTC
Last updated: 09/10/2026, 19:36:48 UTC
Views: 62
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