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Vulnerability record · CVE-2013-0170 · published 8 February 2013

CVE-2013-0170: Redhat libvirt use after free vulnerability

Redhat · Libvirt

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.

6.8 CVSS 2.0 Medium EPSS 5.8% · top 7.2% CWE-416 · Use after free
6.8CVSS 2.0 base score
5.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
11Affected product versions listed by NVD
36References
16 Jun 2026Last modified by NVD

Description

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.

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

Affected products

11 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=46532e3e8ed5f5a736a02f67d6c805492f9ca720
http://libvirt.org/news.html Release NotesVendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098326.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098370.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098398.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00001.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00002.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00016.html Mailing ListThird Party Advisory
http://osvdb.org/89644 Broken Link
http://rhn.redhat.com/errata/RHSA-2013-0199.html Third Party Advisory
http://secunia.com/advisories/52001 Third Party Advisory
http://secunia.com/advisories/52003 Third Party Advisory
http://wiki.libvirt.org/page/Maintenance_Releases Release NotesVendor Advisory
http://www.securityfocus.com/bid/57578 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1028047 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-1708-1 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=893450 Issue TrackingPatchThird Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/81552 Third Party AdvisoryVDB Entry
http://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=46532e3e8ed5f5a736a02f67d6c805492f9ca720
http://libvirt.org/news.html Release NotesVendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098326.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098370.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098398.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00001.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00002.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00016.html Mailing ListThird Party Advisory
http://osvdb.org/89644 Broken Link
http://rhn.redhat.com/errata/RHSA-2013-0199.html Third Party Advisory
http://secunia.com/advisories/52001 Third Party Advisory
http://secunia.com/advisories/52003 Third Party Advisory
http://wiki.libvirt.org/page/Maintenance_Releases Release NotesVendor Advisory
http://www.securityfocus.com/bid/57578 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1028047 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-1708-1 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=893450 Issue TrackingPatchThird Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/81552 Third Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2013-0170), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.