Red Hat Security Advisory: rhc security update
A vulnerability (CVE-2026-25679) exists in the rhc client tool and daemon used by Red Hat Enterprise Linux for system and subscription management. The issue involves incorrect parsing of IPv6 host literals in the net/url package. Red Hat has issued an important security advisory with an update to address this parsing flaw. The vulnerability is rated as high severity by Red Hat Product Security. No known exploits are reported in the wild. The advisory provides updated packages for affected Red Hat Enterprise Linux 8. 8 variants. Users should apply the provided updates to remediate the vulnerability.
AI Analysis
Technical Summary
The vulnerability CVE-2026-25679 affects the rhc client tool and daemon in Red Hat Enterprise Linux 8.8, which connects systems to Red Hat hosted services for system and subscription management. The issue is an incorrect parsing of IPv6 host literals in the net/url package, potentially leading to security risks related to malformed IPv6 addresses. Red Hat has released updated rhc packages to fix this parsing error. The advisory RHSA-2026:9695 details the fix and affected versions. No CVSS score is provided, but Red Hat rates the impact as important (high severity).
Potential Impact
The impact involves incorrect parsing of IPv6 host literals in the net/url package used by the rhc tool, which could affect system connectivity or subscription management functionality. Red Hat rates this vulnerability as important (high severity). There are no known exploits in the wild at this time. The vulnerability could potentially be leveraged to cause unexpected behavior in the rhc client, but specific exploitation details are not provided.
Mitigation Recommendations
Red Hat has released updated rhc packages for Red Hat Enterprise Linux 8.8 and related variants to address this vulnerability. Users should apply these official updates as described in the Red Hat advisory RHSA-2026:9695 and the referenced article https://access.redhat.com/articles/11258. Patch status is confirmed as available. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: rhc security update
Description
A vulnerability (CVE-2026-25679) exists in the rhc client tool and daemon used by Red Hat Enterprise Linux for system and subscription management. The issue involves incorrect parsing of IPv6 host literals in the net/url package. Red Hat has issued an important security advisory with an update to address this parsing flaw. The vulnerability is rated as high severity by Red Hat Product Security. No known exploits are reported in the wild. The advisory provides updated packages for affected Red Hat Enterprise Linux 8. 8 variants. Users should apply the provided updates to remediate the vulnerability.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-25679 affects the rhc client tool and daemon in Red Hat Enterprise Linux 8.8, which connects systems to Red Hat hosted services for system and subscription management. The issue is an incorrect parsing of IPv6 host literals in the net/url package, potentially leading to security risks related to malformed IPv6 addresses. Red Hat has released updated rhc packages to fix this parsing error. The advisory RHSA-2026:9695 details the fix and affected versions. No CVSS score is provided, but Red Hat rates the impact as important (high severity).
Potential Impact
The impact involves incorrect parsing of IPv6 host literals in the net/url package used by the rhc tool, which could affect system connectivity or subscription management functionality. Red Hat rates this vulnerability as important (high severity). There are no known exploits in the wild at this time. The vulnerability could potentially be leveraged to cause unexpected behavior in the rhc client, but specific exploitation details are not provided.
Mitigation Recommendations
Red Hat has released updated rhc packages for Red Hat Enterprise Linux 8.8 and related variants to address this vulnerability. Users should apply these official updates as described in the Red Hat advisory RHSA-2026:9695 and the referenced article https://access.redhat.com/articles/11258. Patch status is confirmed as available. 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-2026:9695
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a16097ee29bf47b5064ab02
Added to database: 5/26/2026, 8:58:38 PM
Last enriched: 5/26/2026, 10:23:42 PM
Last updated: 5/27/2026, 5:04:36 AM
Views: 2
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