Red Hat Security Advisory: spice-client-win security update
Two security vulnerabilities affecting the spice-client-win MSI installers for Windows clients in Red Hat Enterprise Linux 8. 6 have been identified. These include a signed to unsigned conversion error causing a stack-based buffer overflow in libsoup NTLM authentication (CVE-2026-0719) and a stack-based buffer overflow in libsoup multipart response parsing (CVE-2026-1761). Red Hat has issued an important security advisory with updates addressing these issues for specific Red Hat Enterprise Linux 8. 6 variants. The vulnerabilities relate to stack-based buffer overflows in the libsoup library used by the spice client.
AI Analysis
Technical Summary
The spice-client-win MSI installers for Windows clients on Red Hat Enterprise Linux 8.6 are affected by two stack-based buffer overflow vulnerabilities in the libsoup library. CVE-2026-0719 involves a signed to unsigned conversion error during NTLM authentication, leading to a buffer overflow. CVE-2026-1761 involves a buffer overflow in multipart HTTP response parsing. Red Hat has released updated packages for spice-client-win in Red Hat Enterprise Linux 8.6 variants including Advanced Mission Critical Update Support, Update Services for SAP Solutions, and Telecommunications Update Service. The advisory RHSA-2026:2529 provides details and instructions for applying the update. No CVSS scores are provided in the advisory.
Potential Impact
Successful exploitation of these vulnerabilities could lead to stack-based buffer overflows in the libsoup library used by the spice client on Windows clients. This may result in potential memory corruption and could be leveraged to execute arbitrary code or cause denial of service. The advisory rates the security impact as Important (high severity). There are no known exploits in the wild at the time of the advisory.
Mitigation Recommendations
Red Hat has released updated spice-client-win packages for Red Hat Enterprise Linux 8.6 variants that address these vulnerabilities. Users should apply the security update as described in Red Hat advisory RHSA-2026:2529 and the referenced article https://access.redhat.com/articles/11258. Applying the official update is the recommended remediation. Patch status is confirmed as available via the Red Hat advisory.
Red Hat Security Advisory: spice-client-win security update
Description
Two security vulnerabilities affecting the spice-client-win MSI installers for Windows clients in Red Hat Enterprise Linux 8. 6 have been identified. These include a signed to unsigned conversion error causing a stack-based buffer overflow in libsoup NTLM authentication (CVE-2026-0719) and a stack-based buffer overflow in libsoup multipart response parsing (CVE-2026-1761). Red Hat has issued an important security advisory with updates addressing these issues for specific Red Hat Enterprise Linux 8. 6 variants. The vulnerabilities relate to stack-based buffer overflows in the libsoup library used by the spice client.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The spice-client-win MSI installers for Windows clients on Red Hat Enterprise Linux 8.6 are affected by two stack-based buffer overflow vulnerabilities in the libsoup library. CVE-2026-0719 involves a signed to unsigned conversion error during NTLM authentication, leading to a buffer overflow. CVE-2026-1761 involves a buffer overflow in multipart HTTP response parsing. Red Hat has released updated packages for spice-client-win in Red Hat Enterprise Linux 8.6 variants including Advanced Mission Critical Update Support, Update Services for SAP Solutions, and Telecommunications Update Service. The advisory RHSA-2026:2529 provides details and instructions for applying the update. No CVSS scores are provided in the advisory.
Potential Impact
Successful exploitation of these vulnerabilities could lead to stack-based buffer overflows in the libsoup library used by the spice client on Windows clients. This may result in potential memory corruption and could be leveraged to execute arbitrary code or cause denial of service. The advisory rates the security impact as Important (high severity). There are no known exploits in the wild at the time of the advisory.
Mitigation Recommendations
Red Hat has released updated spice-client-win packages for Red Hat Enterprise Linux 8.6 variants that address these vulnerabilities. Users should apply the security update as described in Red Hat advisory RHSA-2026:2529 and the referenced article https://access.redhat.com/articles/11258. Applying the official update is the recommended remediation. Patch status is confirmed as available via the Red Hat 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-2026:2529
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-1761"]
- Cvss Version
- null
Threat ID: 6a27e99e8dd33fbd8516c52f
Added to database: 6/9/2026, 10:23:26 AM
Last enriched: 6/9/2026, 10:45:10 AM
Last updated: 6/10/2026, 4:59:30 AM
Views: 2
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