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Fencer Intel
medium 4.7

CVE-2010-3851 json

libguestfs before 1.5.23, as used in virt-v2v, virt-inspector 1.5.3 and earlier, and possibly other products, when a raw-format disk image…

published 16y ago modified 4mo ago also EUVD-2010-3830

cvss
4.7
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

libguestfs before 1.5.23, as used in virt-v2v, virt-inspector 1.5.3 and earlier, and possibly other products, when a raw-format disk image is used, allows local guest OS administrators to read files from the host via a crafted (1) qcow2, (2) VMDK, or (3) VDI header, related to lack of support for a disk format specifier.

Patch / fix

  • libguestfs RHEL 6 1:1.7.17-17.el6
  • guestfish RHEL 6 1:1.7.17-17.el6
  • libguestfs-java RHEL 6 1:1.7.17-17.el6
  • ruby-libguestfs RHEL 6 1:1.7.17-17.el6
  • libguestfs-mount RHEL 6 1:1.7.17-17.el6
  • libguestfs-tools RHEL 6 1:1.7.17-17.el6
  • ocaml-libguestfs RHEL 6 1:1.7.17-17.el6
  • perl-Sys-Guestfs RHEL 6 1:1.7.17-17.el6

red hat advisories RHSA-2011:0586

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-3851 updated cvss 1.5

libguestfs: missing disk format specifier when adding a disk

  • Red Hat Enterprise Linux Desktop (v. 6) guestfish 1.7.17-17.el6, libguestfs 1.7.17-17.el6, libguestfs-java 1.7.17-17.el6, ruby-libguestfs 1.7.17-17.el6, libguestfs-mount 1.7.17-17.el6, libguestfs-tools 1.7.17-17.el6, +5 more Red Hat Enterprise Linux Desktop Optional (v. 6) guestfish 1.7.17-17.el6, libguestfs 1.7.17-17.el6, libguestfs-java 1.7.17-17.el6, ruby-libguestfs 1.7.17-17.el6, libguestfs-mount 1.7.17-17.el6, libguestfs-tools 1.7.17-17.el6, +5 more Red Hat Enterprise Linux HPC Node (v. 6) guestfish 1.7.17-17.el6, libguestfs 1.7.17-17.el6, libguestfs-java 1.7.17-17.el6, ruby-libguestfs 1.7.17-17.el6, libguestfs-mount 1.7.17-17.el6, libguestfs-tools 1.7.17-17.el6, +5 more Red Hat Enterprise Linux HPC Node Optional (v. 6) guestfish 1.7.17-17.el6, libguestfs 1.7.17-17.el6, libguestfs-java 1.7.17-17.el6, ruby-libguestfs 1.7.17-17.el6, libguestfs-mount 1.7.17-17.el6, libguestfs-tools 1.7.17-17.el6, +5 more Red Hat Enterprise Linux Server (v. 6) guestfish 1.7.17-17.el6, libguestfs 1.7.17-17.el6, libguestfs-java 1.7.17-17.el6, ruby-libguestfs 1.7.17-17.el6, libguestfs-mount 1.7.17-17.el6, libguestfs-tools 1.7.17-17.el6, +5 more Red Hat Enterprise Linux Server Optional (v. 6) guestfish 1.7.17-17.el6, libguestfs 1.7.17-17.el6, libguestfs-java 1.7.17-17.el6, ruby-libguestfs 1.7.17-17.el6, libguestfs-mount 1.7.17-17.el6, libguestfs-tools 1.7.17-17.el6, +5 more
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 6) guestfish 1.7.17-17.el6, libguestfs 1.7.17-17.el6, libguestfs-java 1.7.17-17.el6, ruby-libguestfs 1.7.17-17.el6, libguestfs-mount 1.7.17-17.el6, libguestfs-tools 1.7.17-17.el6, +5 more Red Hat Enterprise Linux Workstation Optional (v. 6) guestfish 1.7.17-17.el6, libguestfs 1.7.17-17.el6, libguestfs-java 1.7.17-17.el6, ruby-libguestfs 1.7.17-17.el6, libguestfs-mount 1.7.17-17.el6, libguestfs-tools 1.7.17-17.el6, +5 more
    fixed: vendor fix RHSA-2011:0586

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.7 AV:L/AC:M/Au:N/C:C/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.