Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2011-1486

15
FAUCET Score

CVE-2011-1486 describes a denial-of-service vulnerability in libvirtd, affecting libvirt versions prior to 0.9.0, including Red Hat's implementation. The flaw stems from non-thread-safe error reporting, allowing remote attackers on the adjacent network to crash the service by triggering concurrent error reports. With a low CVSS score of 3.3, the impact is limited to availability, and there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.8.8CPE matchmatch criteria
cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*
0.0.1CPE matchmatch criteria
cpe:2.3:a:redhat:libvirt:0.0.1:*:*:*:*:*:*:*
0.0.2CPE matchmatch criteria
cpe:2.3:a:redhat:libvirt:0.0.2:*:*:*:*:*:*:*
0.0.3CPE matchmatch criteria
cpe:2.3:a:redhat:libvirt:0.0.3:*:*:*:*:*:*:*
0.0.4CPE matchmatch criteria
cpe:2.3:a:redhat:libvirt:0.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.3LOW

AV:A/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
6.5
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.20%
Probability of exploitation in next 30 days
EPSS Percentile
64.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0120 is in the 68th percentile among its peer group of 94 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libvirt-0:0.8.2-15.el5_6.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libvirt-0:0.8.1-27.el6_0.6
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libvirt

Vendor Advisories (1)

redhatCVE-2011-1486Moderate

libvirt: error reporting in libvirtd is not thread safe

Mar 23, 2011

References

libvirt.org / git
bugzilla.redhat.com / show_bug.cgi
Patch
secunia.com / advisories/44459
Vendor Advisory
securitytracker.com / id
support.avaya.com / css/P8/documents/100134583
redhat.com / archives/libvir-list/2011-March/msg01087.html
Patch
debian.org / security/2011/dsa-2280
redhat.com / support/errata/RHSA-2011-0478.html
redhat.com / support/errata/RHSA-2011-0479.html
securityfocus.com / bid/47148
ubuntu.com / usn/USN-1152-1