Red Hat Security Advisory: Technical preview of the satellite/iop-vmaas-rhel9 container image
Description
Red Hat Lightspeed in Satellite analyzes system health and configuration by applying predefined rules to a small set of local data, such as installed packages, running services, and configuration settings.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-39820 affects the Go net/mail package utilized in Red Hat build of MicroShift 4.19. This flaw enables denial of service attacks through specially crafted email inputs. Red Hat has issued security updates in MicroShift 4.19.43 RPM packages and container images to remediate this issue. The advisory references Red Hat OpenShift Container Platform 4.19 for RHEL 9 across multiple architectures as affected products. The fix is available and users should update to the patched versions to resolve the vulnerability.
Potential Impact
The vulnerability allows an attacker to cause a denial of service condition by sending crafted email inputs to the affected Go net/mail component within Red Hat build of MicroShift. This could disrupt the normal operation of MicroShift clusters deployed on edge devices, potentially impacting availability.
Mitigation Recommendations
A patch is available and has been released by Red Hat in MicroShift 4.19.43 RPM packages and container images. Users should apply these updates as per Red Hat's official guidance to fully remediate the vulnerability. No additional mitigation steps are 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-2026:54883
- Cve Count
- 1
- State
- PUBLISHED
Threat ID: 6a870a76acd9273b49b58b0e
Added to database: 08/20/2026, 14:08:54 UTC
Last enriched: 09/30/2026, 16:15:20 UTC
Last updated: 10/05/2026, 06:48:16 UTC
Views: 74
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