Red Hat Security Advisory: Red Hat Lightspeed (formerly Insights) for Runtimes security update
An update is now available for Red Hat Lightspeed (formerly Insights) for Runtimes on RHEL 9. Security fix(es): * crypto/x509: Incorrect enforcement of email constraints in crypto/x509 (CVE-2026-27137) * net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679) 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
This advisory covers two vulnerabilities in Red Hat Lightspeed for Runtimes on RHEL 9. CVE-2026-27137 involves incorrect enforcement of email constraints in the crypto/x509 package, potentially affecting certificate validation processes. CVE-2026-25679 concerns incorrect parsing of IPv6 host literals in the net/url package, which could lead to improper handling of network addresses. Red Hat has issued an update to address these issues and rates the security impact as Important. No detailed CVSS scores are provided in the advisory, but the severity is assessed as high in the source data.
Potential Impact
The vulnerabilities could lead to improper validation of email constraints in certificates and incorrect parsing of IPv6 addresses, which may affect security mechanisms relying on these components. The exact impact details and exploitation scenarios are not provided. There are no known exploits in the wild at the time of this advisory.
Mitigation Recommendations
Red Hat has released an update for Red Hat Lightspeed for Runtimes on RHEL 9 that addresses these vulnerabilities. Users should apply this update after ensuring all previously released errata relevant to their system have been applied. For detailed update instructions, refer to Red Hat's official guidance at https://access.redhat.com/articles/11258. No alternative mitigations or workarounds are specified.
Red Hat Security Advisory: Red Hat Lightspeed (formerly Insights) for Runtimes security update
Description
An update is now available for Red Hat Lightspeed (formerly Insights) for Runtimes on RHEL 9. Security fix(es): * crypto/x509: Incorrect enforcement of email constraints in crypto/x509 (CVE-2026-27137) * net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679) 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
This advisory covers two vulnerabilities in Red Hat Lightspeed for Runtimes on RHEL 9. CVE-2026-27137 involves incorrect enforcement of email constraints in the crypto/x509 package, potentially affecting certificate validation processes. CVE-2026-25679 concerns incorrect parsing of IPv6 host literals in the net/url package, which could lead to improper handling of network addresses. Red Hat has issued an update to address these issues and rates the security impact as Important. No detailed CVSS scores are provided in the advisory, but the severity is assessed as high in the source data.
Potential Impact
The vulnerabilities could lead to improper validation of email constraints in certificates and incorrect parsing of IPv6 addresses, which may affect security mechanisms relying on these components. The exact impact details and exploitation scenarios are not provided. There are no known exploits in the wild at the time of this advisory.
Mitigation Recommendations
Red Hat has released an update for Red Hat Lightspeed for Runtimes on RHEL 9 that addresses these vulnerabilities. Users should apply this update after ensuring all previously released errata relevant to their system have been applied. For detailed update instructions, refer to Red Hat's official guidance at https://access.redhat.com/articles/11258. No alternative mitigations or workarounds are specified.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:9052
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-27137"]
- Cvss Version
- null
Threat ID: 6a160980e29bf47b5064d323
Added to database: 05/26/2026, 20:58:40 UTC
Last enriched: 07/30/2026, 09:45:36 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 86
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