ALSA-2026:21293
ALSA-2026:21293 · Important: .NET 8.0 security update
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 8.0.127 and .NET Runtime 8.0.27.Security Fix(es): * serialize-javascript: serialize-javascript: Denial of Service via specially crafted array-like object serialization (CVE-2026-34043) * dotnet: .NET: infinite loop allows an attacker to cause a denial of service (CVE-2026-42899) 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.
Corrección disponible
- Publicación
- Actualización
Pila tecnológica: system
Productos y versiones afectados
aspnetcore-runtime-8.0 AlmaLinux:9
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.0.27-1.el9_8
Actualiza a 8.0.27-1.el9_8
aspnetcore-runtime-dbg-8.0 AlmaLinux:9
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.0.27-1.el9_8
Actualiza a 8.0.27-1.el9_8
aspnetcore-targeting-pack-8.0 AlmaLinux:9
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.0.27-1.el9_8
Actualiza a 8.0.27-1.el9_8
dotnet-apphost-pack-8.0 AlmaLinux:9
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.0.27-1.el9_8
Actualiza a 8.0.27-1.el9_8
dotnet-hostfxr-8.0 AlmaLinux:9
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.0.27-1.el9_8
Actualiza a 8.0.27-1.el9_8
dotnet-runtime-8.0 AlmaLinux:9
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.0.27-1.el9_8
Actualiza a 8.0.27-1.el9_8
dotnet-runtime-dbg-8.0 AlmaLinux:9
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.0.27-1.el9_8
Actualiza a 8.0.27-1.el9_8
dotnet-sdk-8.0 AlmaLinux:9
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.0.127-1.el9_8
Actualiza a 8.0.127-1.el9_8
dotnet-sdk-8.0-source-built-artifacts AlmaLinux:9
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.0.127-1.el9_8
Actualiza a 8.0.127-1.el9_8
dotnet-sdk-dbg-8.0 AlmaLinux:9
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.0.127-1.el9_8
Actualiza a 8.0.127-1.el9_8
dotnet-targeting-pack-8.0 AlmaLinux:9
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.0.27-1.el9_8
Actualiza a 8.0.27-1.el9_8
dotnet-templates-8.0 AlmaLinux:9
- Intervalos de versiones afectados
- ECOSYSTEM: < 8.0.127-1.el9_8
Actualiza a 8.0.127-1.el9_8
Fuentes originales
- https://access.redhat.com/errata/RHSA-2026:21293
- https://access.redhat.com/security/cve/CVE-2026-34043
- https://access.redhat.com/security/cve/CVE-2026-42899
- https://bugzilla.redhat.com/2453284
- https://bugzilla.redhat.com/2476605
- https://errata.almalinux.org/9/ALSA-2026-21293.html
- https://osv.dev/vulnerability/ALSA-2026:21293