Red Hat Security Advisory: fence-agents security update
The fence-agents packages provide a collection of scripts for handling remote power management for cluster devices. They allow failed or unreachable nodes to be forcibly restarted and removed from the cluster. Security Fix(es): * jinja2: Jinja has a sandbox breakout through malicious filenames (CVE-2024-56201) * jinja2: Jinja has a sandbox breakout through indirect reference to format method (CVE-2024-56326) 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 fence-agents packages in Red Hat Enterprise Linux 9.2 Extended Update Support contain two security vulnerabilities related to the Jinja2 template engine: CVE-2024-56201, a sandbox breakout via malicious filenames, and CVE-2024-56326, a sandbox breakout via indirect reference to the format method. These vulnerabilities allow an attacker to escape the Jinja2 sandbox, potentially leading to unauthorized code execution or other impacts within the cluster management environment. The advisory provides updated fence-agents packages to address these issues.
Potential Impact
The vulnerabilities allow sandbox breakout in the Jinja2 template engine used by fence-agents, which manage remote power operations in cluster environments. This could lead to unauthorized code execution or manipulation of cluster node management, impacting cluster stability and security. The advisory rates the severity as Important (high). There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated fence-agents packages for Red Hat Enterprise Linux 9.2 Extended Update Support that fix these vulnerabilities. Users should apply the security update as described in the Red Hat advisory RHSA-2025:0335 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official update.
Red Hat Security Advisory: fence-agents security update
Description
The fence-agents packages provide a collection of scripts for handling remote power management for cluster devices. They allow failed or unreachable nodes to be forcibly restarted and removed from the cluster. Security Fix(es): * jinja2: Jinja has a sandbox breakout through malicious filenames (CVE-2024-56201) * jinja2: Jinja has a sandbox breakout through indirect reference to format method (CVE-2024-56326) 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 fence-agents packages in Red Hat Enterprise Linux 9.2 Extended Update Support contain two security vulnerabilities related to the Jinja2 template engine: CVE-2024-56201, a sandbox breakout via malicious filenames, and CVE-2024-56326, a sandbox breakout via indirect reference to the format method. These vulnerabilities allow an attacker to escape the Jinja2 sandbox, potentially leading to unauthorized code execution or other impacts within the cluster management environment. The advisory provides updated fence-agents packages to address these issues.
Potential Impact
The vulnerabilities allow sandbox breakout in the Jinja2 template engine used by fence-agents, which manage remote power operations in cluster environments. This could lead to unauthorized code execution or manipulation of cluster node management, impacting cluster stability and security. The advisory rates the severity as Important (high). There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated fence-agents packages for Red Hat Enterprise Linux 9.2 Extended Update Support that fix these vulnerabilities. Users should apply the security update as described in the Red Hat advisory RHSA-2025:0335 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:0335
- Cve Count
- 2
- Additional Cves
- ["CVE-2024-56326"]
Threat ID: 6a1f4e92e29bf47b50085e76
Added to database: 06/02/2026, 21:43:46 UTC
Last enriched: 08/11/2026, 20:46:30 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 62
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