Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

CVE-2026-61477

Gravedad CVSS v3.1:
BAJA
Tipo:
CWE-93 Neutralización incorrecta de secuencias de retornos de carro y saltos de linea (CRLF)
Fecha de publicación:
07/08/2026
Última modificación:
14/08/2026

Descripción

*** Pendiente de traducción *** An injection vulnerability was found in libvirt's virtual network driver. The network XML parser does not strip newline characters from DNS TXT record value attributes and SRV record domain/target attributes. These values are written verbatim into the dnsmasq configuration file generated by the network driver, allowing a user with permission to define virtual networks to inject arbitrary dnsmasq configuration directives such as dhcp-script, leading to arbitrary command execution as root.