A flaw was found in rpm. A local attacker could supply a specially crafted .gem filename containing RPM macro syntax. (CVE-2026-84233)
A vulnerability in rpm allows a local attacker to supply a specially crafted .gem filename containing RPM macro syntax. When the rpmuncompress -x command is run on this file, macro expansion occurs during command construction, enabling arbitrary command execution with the invoking user's privileges. This can compromise confidentiality, integrity, and availability. A security update from Red Hat addresses this issue in Red Hat Hardened Images RPMs.
AI Analysis
Technical Summary
CVE-2026-84233 is a local privilege vulnerability in rpm where an attacker can craft a .gem filename containing RPM macro syntax. When rpmuncompress -x is invoked on this file, the macro expansion leads to arbitrary command execution with the privileges of the user running the command. This flaw affects Red Hat Hardened Images RPMs and can lead to full compromise of confidentiality, integrity, and availability of the system. Red Hat has released an update (rpm-6.1.0-1.hum1 and related packages) to fix this issue.
Potential Impact
Successful exploitation allows arbitrary command execution with the privileges of the invoking user, potentially leading to full system compromise including confidentiality, integrity, and availability impacts. The CVSS v3.1 score is 7.0 (High), reflecting the local attack vector with high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Red Hat has released an official security update (rpm-6.1.0-1.hum1 and related packages) that fixes this vulnerability. Users of Red Hat Hardened Images RPMs should apply the update promptly as detailed in the Red Hat advisory RHSA-2026:66637. Patch status is confirmed and an official fix is available.
A flaw was found in rpm. A local attacker could supply a specially crafted .gem filename containing RPM macro syntax. (CVE-2026-84233)
Description
A vulnerability in rpm allows a local attacker to supply a specially crafted .gem filename containing RPM macro syntax. When the rpmuncompress -x command is run on this file, macro expansion occurs during command construction, enabling arbitrary command execution with the invoking user's privileges. This can compromise confidentiality, integrity, and availability. A security update from Red Hat addresses this issue in Red Hat Hardened Images RPMs.
CVSS v3.1
Score 7.0high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-84233 is a local privilege vulnerability in rpm where an attacker can craft a .gem filename containing RPM macro syntax. When rpmuncompress -x is invoked on this file, the macro expansion leads to arbitrary command execution with the privileges of the user running the command. This flaw affects Red Hat Hardened Images RPMs and can lead to full compromise of confidentiality, integrity, and availability of the system. Red Hat has released an update (rpm-6.1.0-1.hum1 and related packages) to fix this issue.
Potential Impact
Successful exploitation allows arbitrary command execution with the privileges of the invoking user, potentially leading to full system compromise including confidentiality, integrity, and availability impacts. The CVSS v3.1 score is 7.0 (High), reflecting the local attack vector with high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Red Hat has released an official security update (rpm-6.1.0-1.hum1 and related packages) that fixes this vulnerability. Users of Red Hat Hardened Images RPMs should apply the update promptly as detailed in the Red Hat advisory RHSA-2026:66637. Patch status is confirmed and an official fix is available.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-j9c4-6ppm-mvh4
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-84233"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Patch Information
Threat ID: 6abfee7ba43b0b3b89e543b7
Added to database: 10/02/2026, 17:48:43 UTC
Last enriched: 10/02/2026, 17:53:55 UTC
Last updated: 10/03/2026, 02:46:07 UTC
Views: 3
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.