Red Hat Security Advisory: freeipmi security update
The freeipmi packages contain an Intelligent Platform Management Interface (IPMI) remote console and system management software based on the IPMI specification. Security Fix(es): * freeipmi: buffer overflows on response messages via ipmi-oem (CVE-2026-33554) 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 freeipmi software, which provides IPMI remote console and system management capabilities, contains a buffer overflow vulnerability triggered by specially crafted response messages via the ipmi-oem interface (CVE-2026-33554). This vulnerability is classified under CWE-120 (buffer overflow). Red Hat has issued a security advisory (RHSA-2026:14819) and released updated freeipmi packages for Red Hat Enterprise Linux 9 and associated variants to fix this issue. The advisory rates the security impact as moderate and provides instructions for applying the update.
Potential Impact
The vulnerability could allow an attacker to cause a buffer overflow in the freeipmi service when processing certain IPMI OEM response messages. This may lead to potential memory corruption or denial of service conditions. The exact impact details and exploitation scenarios are not provided in the advisory. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Red Hat has released updated freeipmi packages that address this buffer overflow vulnerability. Users of affected Red Hat Enterprise Linux 9 and related CodeReady Linux Builder packages should apply the security update as described in the Red Hat advisory RHSA-2026:14819. Patch status is confirmed with official fixes available. Refer to https://access.redhat.com/articles/11258 for detailed update instructions.
Red Hat Security Advisory: freeipmi security update
Description
The freeipmi packages contain an Intelligent Platform Management Interface (IPMI) remote console and system management software based on the IPMI specification. Security Fix(es): * freeipmi: buffer overflows on response messages via ipmi-oem (CVE-2026-33554) 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
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The freeipmi software, which provides IPMI remote console and system management capabilities, contains a buffer overflow vulnerability triggered by specially crafted response messages via the ipmi-oem interface (CVE-2026-33554). This vulnerability is classified under CWE-120 (buffer overflow). Red Hat has issued a security advisory (RHSA-2026:14819) and released updated freeipmi packages for Red Hat Enterprise Linux 9 and associated variants to fix this issue. The advisory rates the security impact as moderate and provides instructions for applying the update.
Potential Impact
The vulnerability could allow an attacker to cause a buffer overflow in the freeipmi service when processing certain IPMI OEM response messages. This may lead to potential memory corruption or denial of service conditions. The exact impact details and exploitation scenarios are not provided in the advisory. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Red Hat has released updated freeipmi packages that address this buffer overflow vulnerability. Users of affected Red Hat Enterprise Linux 9 and related CodeReady Linux Builder packages should apply the security update as described in the Red Hat advisory RHSA-2026:14819. Patch status is confirmed with official fixes available. Refer to https://access.redhat.com/articles/11258 for detailed update instructions.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:20579
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a16097ce29bf47b506487b9
Added to database: 05/26/2026, 20:58:36 UTC
Last enriched: 07/31/2026, 01:21:06 UTC
Last updated: 07/31/2026, 21:37:55 UTC
Views: 55
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