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libvirt — security advisories

7 advisories2 sourceslatest 2026-08-21⚡ RSS feed

Every advisory CSIRTS.com has correlated to libvirt, newest first — across national CERTs, vendor PSIRTs and vulnerability databases.

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[NEW] [high] libvirt: Vulnerability enables privilege escalation and DoS

highCVE-2026-18917cert-bund2026-08-21

[NEW] [medium] libvirt: Multiple vulnerabilities allow

mediumCVE-2026-63622 CVE-2026-63623cert-bund2026-08-11

CVE-2026-61477: Libvirt: libvirt: newline injection in network xml dns txt/srv fields allows dnsmasq config directive injection

lowCVSS 2.3CVE-2026-61477msrc2026-08-11

CVE-2026-63623: Libvirt: information disclosure via world-readable storage volume images during clone/convert

mediumCVSS 5.5CVE-2026-63623msrc2026-08-11

CVE-2026-18917: Libvirt: integer overflow in nodegetfreepages rpc handler leading to heap buffer overflow

mediumCVSS 6.6CVE-2026-18917msrc2026-08-11

[UPDATE] [medium] libvirt: Vulnerability allows denial of service

mediumCVE-2025-12748cert-bund2026-07-22

[UPDATE] [high] QEMU and libvirt: Multiple vulnerabilities

highcert-bund2026-07-09