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CVE-2011-2511
Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of service (libvirtd crash) and possibly…
Medium4.0EPSS 3.5%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
Integer overflow in libvirt before 0.9.3 allows remote authenticated users to cause a denial of service (libvirtd crash) and possibly execute arbitrary code via a crafted VirDomainGetVcpus RPC call that triggers memory corruption.
Timeline
ID reserved
By redhat
- 56 days later
· 56 days later
Published
- 13 years later
· 13 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 3.5% · top 11% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.0.
Weakness
Affected products
n/a
- affected n/a
References (15)
- http://libvirt.org/news.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- libvirt-virdomaingetvcpus-bo(68271) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 45441 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- FEDORA-2011-9091 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 45446 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [oss-security] 20110628 CVE request: libvirt: integer overflow in VirDomainGetVcpus (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2011:1197 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2011:1019 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-1180-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 45375 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [libvirt] 20110624 [PATCH 2/2] remote: protect against integer overflow (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 1025822 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- DSA-2280 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- SUSE-SU-2011:0837 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- FEDORA-2011-9062 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_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)
- EUVD EUVD-2011-2496 (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://cveledger.app/cve/CVE-2011-2511)Record last updated .