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, used for remote power management in cluster environments on Red Hat Enterprise Linux 9.4 EUS, were found to include vulnerable versions of the Jinja2 template engine. Two vulnerabilities (CVE-2024-56201 and CVE-2024-56326) allow sandbox breakout through malicious filenames and indirect references to the format method, respectively. These flaws could enable an attacker to bypass sandbox restrictions within Jinja2, potentially leading to unauthorized code execution or other impacts within the context of the fence-agents scripts. Red Hat has released updated fence-agents packages to address these issues.
Potential Impact
The vulnerabilities allow sandbox breakout in Jinja2, which may enable attackers to execute unauthorized code or perform actions outside the intended sandbox environment within the fence-agents scripts. This could affect cluster node management by allowing compromised nodes to interfere with cluster operations. The advisory rates the security impact as Important but does not provide a CVSS score. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated fence-agents packages for Red Hat Enterprise Linux 9.4 Extended Update Support that fix these vulnerabilities. Users should apply the security update as detailed in the Red Hat advisory RHSA-2025:0338 to remediate the issues. Refer to https://access.redhat.com/articles/11258 for update instructions. No additional mitigation steps are indicated by the vendor.
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, used for remote power management in cluster environments on Red Hat Enterprise Linux 9.4 EUS, were found to include vulnerable versions of the Jinja2 template engine. Two vulnerabilities (CVE-2024-56201 and CVE-2024-56326) allow sandbox breakout through malicious filenames and indirect references to the format method, respectively. These flaws could enable an attacker to bypass sandbox restrictions within Jinja2, potentially leading to unauthorized code execution or other impacts within the context of the fence-agents scripts. Red Hat has released updated fence-agents packages to address these issues.
Potential Impact
The vulnerabilities allow sandbox breakout in Jinja2, which may enable attackers to execute unauthorized code or perform actions outside the intended sandbox environment within the fence-agents scripts. This could affect cluster node management by allowing compromised nodes to interfere with cluster operations. The advisory rates the security impact as Important but does not provide a CVSS score. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated fence-agents packages for Red Hat Enterprise Linux 9.4 Extended Update Support that fix these vulnerabilities. Users should apply the security update as detailed in the Red Hat advisory RHSA-2025:0338 to remediate the issues. Refer to https://access.redhat.com/articles/11258 for update instructions. 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-2025:0338
- Cve Count
- 2
- Additional Cves
- ["CVE-2024-56326"]
Threat ID: 6a1f4e92e29bf47b50085e6f
Added to database: 06/02/2026, 21:43:46 UTC
Last enriched: 08/11/2026, 20:46:18 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 62
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