Поиск уязвимостей

A flaw was discovered in libvirt in the XML file processing. More specifically, the parsing of user provided XML files was performed before the ACL checks. A malicious user with limited permissions could exploit this flaw by submitting a specially crafted XML file, causing libvirt to allocate too much memory on the host. The excessive memory consumption could lead to a libvirt process crash on the host, resulting in a denial-of-service condition.

ELSA-2026-18748: libvirt security update (MODERATE)

ELSA-2026-18326: libvirt security update (MODERATE)

Уязвимость библиотеки управления виртуализацией libvirt, связанная с недостатками контроля доступа, позволяющая нарушителю вызвать отказ в обслуживании