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Fencer Intel
medium 6.8

CVE-2013-0170 json

Use-after-free vulnerability in the virNetMessageFree function in rpc/virnetserverclient.c in libvirt 1.0.x before 1.0.2, 0.10.2 before 0.1…

published 13y ago modified 4mo ago also EUVD-2013-0209

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.8%
EPSS 5.8% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

Use-after-free vulnerability in the virNetMessageFree function in rpc/virnetserverclient.c in libvirt 1.0.x before 1.0.2, 0.10.2 before 0.10.2.3, 0.9.11 before 0.9.11.9, and 0.9.6 before 0.9.6.4 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by triggering certain errors during an RPC connection, which causes a message to be freed without being removed from the message queue.

Patch / fix

  • redhat libvirt 0.9.6.4, 0.9.11.9, 0.10.2.3, 1.0.2
  • libvirt Debian 14, Debian 13, Debian 12 0.9.12-6

debian advisories DEBIAN-CVE-2013-0170

  • libvirt RHEL 6 0.9.10-21.el6_3.8
  • libvirt-client RHEL 6 0.9.10-21.el6_3.8
  • libvirt-python RHEL 6 0.9.10-21.el6_3.8
  • libvirt-lock-sanlock RHEL 6 0.9.10-21.el6_3.8

red hat advisories RHSA-2013:0199

  • libvirt openSUSE Tumbleweed 2.5.0-1.1

opensuse advisories openSUSE-SU-2024:10209-1

Is CVE-2013-0170 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2013-0170 updated cvss 6.8

libvirt: use-after-free in virNetMessageFree()

  • Red Hat Enterprise Linux Desktop (v. 6) libvirt 0.9.10-21.el6_3.8, libvirt-client 0.9.10-21.el6_3.8, libvirt-python 0.9.10-21.el6_3.8 Red Hat Enterprise Linux Desktop Optional (v. 6) libvirt 0.9.10-21.el6_3.8, libvirt-lock-sanlock 0.9.10-21.el6_3.8 Red Hat Enterprise Linux HPC Node (v. 6) libvirt 0.9.10-21.el6_3.8, libvirt-client 0.9.10-21.el6_3.8, libvirt-python 0.9.10-21.el6_3.8 Red Hat Enterprise Linux HPC Node Optional (v. 6) libvirt 0.9.10-21.el6_3.8, libvirt-lock-sanlock 0.9.10-21.el6_3.8 Red Hat Enterprise Linux Server (v. 6) libvirt 0.9.10-21.el6_3.8, libvirt-client 0.9.10-21.el6_3.8, libvirt-python 0.9.10-21.el6_3.8 Red Hat Enterprise Linux Server Optional (v. 6) libvirt 0.9.10-21.el6_3.8, libvirt-lock-sanlock 0.9.10-21.el6_3.8
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 6) libvirt 0.9.10-21.el6_3.8, libvirt-client 0.9.10-21.el6_3.8, libvirt-python 0.9.10-21.el6_3.8 Red Hat Enterprise Linux Workstation Optional (v. 6) libvirt 0.9.10-21.el6_3.8, libvirt-lock-sanlock 0.9.10-21.el6_3.8
    fixed: vendor fix RHSA-2013:0199
  • Red Hat Enterprise Linux 5 libvirt
    not affected: vulnerable code not present

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

5.77% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

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.