# Libvirt vulnerabilities

Source: https://junglewise.ai/threats/vendors/libvirt  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/libvirt.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Libvirt: 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-77159, was published on 11 September 2026. Nothing was published in the last eight weeks. 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 2
- All time: 4 (0 critical, 0 exploited in the wild)

## About Libvirt

The libvirt project provides an open-source virtualization management toolset.

## Latest Libvirt vulnerabilities

- [CVE-2026-77159: libvirt symlink-following flaw in qemuTPMEmulatorPrepareHost](https://junglewise.ai/threats/cve-2026-77159-libvirt-symlink-following-flaw-in-qemutpmemulatorpreparehost) (medium, CVSS 5.5, published 11 Sep 2026)
- [CVE-2026-18917: libvirt integer overflow in NodeGetFreePages RPC handler](https://junglewise.ai/threats/cve-2026-18917-libvirt-integer-overflow-in-nodegetfreepages-rpc-handler) (high, CVSS 7.8, published 20 Aug 2026)
- [CVE-2025-13193: libvirt world-readable permissions in VM snapshots](https://junglewise.ai/threats/cve-2025-13193-libvirt-world-readable-permissions-in-vm-snapshots) (medium, CVSS 5.5, published 17 Nov 2025)
- [CVE-2025-12748: libvirt denial of service via XML parsing resource exhaustion](https://junglewise.ai/threats/cve-2025-12748-libvirt-denial-of-service-via-xml-parsing-resource-exhaustion) (medium, CVSS 5.5, published 11 Nov 2025)

## Most severe Libvirt vulnerabilities

- [CVE-2026-18917: libvirt integer overflow in NodeGetFreePages RPC handler](https://junglewise.ai/threats/cve-2026-18917-libvirt-integer-overflow-in-nodegetfreepages-rpc-handler) (high, CVSS 7.8, published 20 Aug 2026)
- [CVE-2026-77159: libvirt symlink-following flaw in qemuTPMEmulatorPrepareHost](https://junglewise.ai/threats/cve-2026-77159-libvirt-symlink-following-flaw-in-qemutpmemulatorpreparehost) (medium, CVSS 5.5, published 11 Sep 2026)
- [CVE-2025-13193: libvirt world-readable permissions in VM snapshots](https://junglewise.ai/threats/cve-2025-13193-libvirt-world-readable-permissions-in-vm-snapshots) (medium, CVSS 5.5, published 17 Nov 2025)
- [CVE-2025-12748: libvirt denial of service via XML parsing resource exhaustion](https://junglewise.ai/threats/cve-2025-12748-libvirt-denial-of-service-via-xml-parsing-resource-exhaustion) (medium, CVSS 5.5, published 11 Nov 2025)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 1 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 1 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Libvirt technologies

- [Libvirt](https://junglewise.ai/threats/technologies/libvirt): 5 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Libvirt vulnerabilities", https://junglewise.ai/threats/vendors/libvirt, 12 November 2026.