CVE-2016-10746
libvirt-domain.c in libvirt before 1.3.1 supports virDomainGetTime API calls by guest agents with...
CVE-2016-10746 is a high vulnerability (CVSS 7.5) in Redhat Libvirt, published April 18, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.07%, the 81st percentile. Fixed in libvirt 1.3.1-1.
libvirt-domain.c in libvirt before 1.3.1 supports virDomainGetTime API calls by guest agents with an RO connection, even though an RW connection was supposed to be required, a different vulnerability than CVE-2019-3886.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
7.5
libvirt-domain.c in libvirt before 1.3.1 supports virDomainGetTime API calls by guest agents with an RO connection, even though an RW connection was supposed to be required, a different vulnerability than CVE-2019-3886.
- Record
CVE-2016-10746- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-254
- Updated
- 2026-11-02
CVE List No score
libvirt-domain.c in libvirt before 1.3.1 supports virDomainGetTime API calls by guest agents with an RO connection, even though an RW connection was supposed to be required, a different vulnerability than CVE-2019-3886.
- Record
CVE-2016-10746- Updated
- 2026-11-02
EUVDEUVD-2016-1741 No score
libvirt-domain.c in libvirt before 1.3.1 supports virDomainGetTime API calls by guest agents with an RO connection, even though an RW connection was supposed to be required, a different vulnerability than CVE-2019-3886.
- Record
EUVD-2016-1741- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-66gq-pc92-3m6j
7.5
libvirt-domain.c in libvirt before 1.3.1 supports virDomainGetTime API calls by guest agents with...
libvirt-domain.c in libvirt before 1.3.1 supports virDomainGetTime API calls by guest agents with an RO connection, even though an RW connection was supposed to be required, a different vulnerability than CVE-2019-3886.
- Record
GHSA-66gq-pc92-3m6j- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSV
7.5
libvirt-domain.c in libvirt before 1.3.1 supports virDomainGetTime API calls by guest agents with an RO connection, even though an RW connection was supposed to be required, a different vulnerability than CVE-2019-3886.
- Record
CVE-2016-10746- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2016-10746
7.5
libvirt-domain.c in libvirt before 1.3.1 supports virDomainGetTime API calls by guest agents with an RO connection, even though an RW connection was supposed to be required, a different vulnerability than CVE-2019-3886.
- Record
DEBIAN-CVE-2016-10746- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2016-10746
7.5
libvirt-domain.c in libvirt before 1.3.1 supports virDomainGetTime API calls by guest agents with an RO connection, even though an RW connection was supposed to be required, a different vulnerability than CVE-2019-3886.
- Record
UBUNTU-CVE-2016-10746- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVSUSE-SU-2019:14146-1 No score
Security update for libvirt and libvirt-python
This update for libvirt and libvirt-python fixes the following issues:
libvirt:
- CVE-2016-10746: Fixed an authentication bypass where a guest agent with a read only connection could call virDomainGetTime API calls (bsc#1133150).
- rpc: increase the size of REMOTE_MIGRATE_COOKIE_MAX (bsc#1134783).
libvirt-python:
- Fixes a memory leak in libvirt-python (bsc#1140252)
- Record
SUSE-SU-2019:14146-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libvirtDebian:12 |
before 1.3.1-1 | 1.3.1-1 |
libvirtDebian:13 |
before 1.3.1-1 | 1.3.1-1 |
libvirtDebian:14 |
before 1.3.1-1 | 1.3.1-1 |
libvirtDebian:8 |
before 1.2.9-9+deb8u6, plus listed versions 1.2.9-91.2.9-9+deb8u11.2.9-9+deb8u21.2.9-9+deb8u2~bpo70+11.2.9-9+deb8u31.2.9-9+deb8u41.2.9-9+deb8u5 |
1.2.9-9+deb8u6 |
libvirtSUSE:Linux Enterprise Server 11 SP4-LTSS |
before 1.2.5-23.24.1 | 1.2.5-23.24.1 |
libvirt-pythonSUSE:Linux Enterprise Server 11 SP4-LTSS |
before 1.2.5-3.3.2 | 1.2.5-3.3.2 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | affected | |
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
github.com/libvirt/libvirt/commit/506e9d6c2d4baaf580d489fff0690c0ff2ff588f
github.com/libvirt/libvirt/compare/11288f5...8fd6867
lists.debian.org/debian-lts-announce/2019/04/msg00032.html
nvd.nist.gov/vuln/detail/CVE-2016-10746
github.com/advisories/GHSA-66gq-pc92-3m6j
security-tracker.debian.org/tracker/CVE-2016-10746