CVE-2025-12748 | BDVDB-2026-301451 Detail

Description#

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.

Impact#

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Exploit#

History#

1. Version 12025-11-11Record published in the CVE List.
2. Version 22026-11-05Most recent update recorded in the CVE List.