Description
libvirt version 2.3.0 and later is vulnerable to a bad default configuration of "verify-peer=no" passed to QEMU by libvirt resulting in a failure to validate SSL/TLS certificates by default.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libvirt | 3.8.0-3 | — |
| Debian 13 | libvirt | 3.8.0-3 | — |
| Debian 12 | libvirt | 3.8.0-3 | — |
| Debian 9 | libvirt | 3.0.0-4+deb9u1 | DSA-4003-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | libvirt | 3.3.0-5.8.1 | SUSE-SU-2017:2850-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | libvirt | 3.3.0-5.8.1 | SUSE-SU-2017:2850-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libvirt | 7.7.0-2.1 | openSUSE-SU-2024:11008-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.6 | libvirt | 3.3.0-r2 | — |
| Alpine v3.5 | libvirt | 2.5.0-r2 | — |
Advisories 3
- DSA-4003-1 libvirt - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2017:2850-1 Security update for libvirt SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11008-1 libvirt-7.7.0-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026