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CVE-2019-3840
A NULL pointer dereference flaw was discovered in libvirt before version 5.0.0 in the way it gets interface information through the QEMU…
Medium5.8EPSS 1.5%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
A NULL pointer dereference flaw was discovered in libvirt before version 5.0.0 in the way it gets interface information through the QEMU agent. An attacker in a guest VM can use this flaw to crash libvirtd and cause a denial of service.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.0 | Medium5.8 | CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:H |
| NVDNVD · Modified | 3.0 | Medium6.3 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.5% · top 26% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.8.
Weakness
Affected products
- affected 5.0.0
References (7)
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3840 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1663051 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.redhat.com/archives/libvir-list/2019-January/msg00241.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2019:1288 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2019:1294 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- FEDORA-2019-b3bfc61567 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- RHSA-2019:2294 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-3840)Record last updated .