{"id":"CVE-2012-4423","aliases":["DEBIAN-CVE-2012-4423","EUVD-2012-4358","GHSA-82q7-xh57-cm62","RHSA-2012:1359"],"status":"published","title":"The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to...","description":"The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and segmentation fault) via an RPC call with (1) an event as the RPC number or (2) an RPC number whose value is in a \"gap\" in the RPC dispatch table.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03718,"percentile":0.89856,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2012-11-19T11:00:00Z","modified":"2026-10-23T17:47:23Z","fixes":[{"ecosystem":"Debian:12","package":"libvirt","fixed_in":["0.9.12-5"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libvirt","fixed_in":["0.9.12-5"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libvirt","fixed_in":["0.9.12-5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::client","package":"libvirt","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::client","package":"libvirt-client","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::client","package":"libvirt-debuginfo","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::client","package":"libvirt-python","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::client","package":"libvirt-devel","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::client","package":"libvirt-lock-sanlock","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"libvirt","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"libvirt-client","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"libvirt-debuginfo","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"libvirt-python","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"libvirt-devel","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"libvirt-lock-sanlock","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"libvirt","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"libvirt-client","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"libvirt-debuginfo","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"libvirt-devel","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"libvirt-python","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"libvirt-lock-sanlock","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"libvirt","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"libvirt-client","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"libvirt-debuginfo","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"libvirt-devel","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"libvirt-python","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"libvirt-lock-sanlock","fixed_in":["0:0.9.10-21.el6_3.5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libvirt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.12-5"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libvirt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.12-5"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libvirt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.12-5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"libvirt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"libvirt-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"libvirt-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"libvirt-python","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"libvirt-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"libvirt-lock-sanlock","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"libvirt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"libvirt-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"libvirt-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"libvirt-python","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"libvirt-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"libvirt-lock-sanlock","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"libvirt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"libvirt-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"libvirt-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"libvirt-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"libvirt-python","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"libvirt-lock-sanlock","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"libvirt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"libvirt-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"libvirt-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"libvirt-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"libvirt-python","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"libvirt-lock-sanlock","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.10-21.el6_3.5"}]}]}],"products":[{"vendor":"redhat","product":"libvirt"}],"references":[{"url":"http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=f8fbeb50d52520a109d71c8566fed2ea600650ec","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=b7ff9e696063189a715802d081d55a398663c15a","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090121.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089976.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00001.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://www.securitytracker.com/id?1027649","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=857133","tags":["x_refsource_MISC","x_transferred","report"]},{"url":"https://www.redhat.com/archives/libvir-list/2012-September/msg00843.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/55541","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1359.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory"]},{"url":"http://www.ubuntu.com/usn/USN-1708-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2012/09/13/14","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-4423","tags":["advisory"]},{"url":"http://libvirt.org/git/?p=libvirt.git;a=commit;h=b7ff9e696063189a715802d081d55a398663c15a"},{"url":"http://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=f8fbeb50d52520a109d71c8566fed2ea600650ec"},{"url":"https://github.com/advisories/GHSA-82q7-xh57-cm62"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-4423","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2012:1359","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=858988","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=859376","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=860720","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2012/rhsa-2012_1359.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-4423","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-4423","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-4423","description":"The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and segmentation fault) via an RPC call with (1) an event as the RPC number or (2) an RPC number whose value is in a \"gap\" in the RPC dispatch table.","status":"published","published":"2012-11-19T11:00:00Z","modified":"2024-08-06T20:35:09.551Z","updated_at":"2026-11-02T14:34:51.937988Z"}],"euvd":[{"id":"EUVD-2012-4358","description":"The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and segmentation fault) via an RPC call with (1) an event as the RPC number or (2) an RPC number whose value is in a \"gap\" in the RPC dispatch table.","status":"published","published":"2012-11-19T11:00:00Z","modified":"2024-08-06T20:35:09Z","updated_at":"2026-11-03T01:56:07.912368Z"}],"ghsa":[{"id":"GHSA-82q7-xh57-cm62","title":"The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to...","description":"The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and segmentation fault) via an RPC call with (1) an event as the RPC number or (2) an RPC number whose value is in a \"gap\" in the RPC dispatch table.","status":"published","published":"2022-05-17T05:14:10Z","modified":"2023-02-20T05:06:03Z","updated_at":"2026-11-02T14:54:11.398505Z"}],"nvd":[{"id":"CVE-2012-4423","description":"The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and segmentation fault) via an RPC call with (1) an event as the RPC number or (2) an RPC number whose value is in a \"gap\" in the RPC dispatch table.","status":"published","published":"2012-11-19T12:10:52.04Z","modified":"2026-06-16T23:44:59.39Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:16.536025Z"}],"osv":[{"id":"CVE-2012-4423","description":"The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and segmentation fault) via an RPC call with (1) an event as the RPC number or (2) an RPC number whose value is in a \"gap\" in the RPC dispatch table.","status":"published","published":"2012-11-19T12:10:52Z","modified":"2026-04-10T03:44:19.032407Z","updated_at":"2026-11-02T15:43:58.537032Z"},{"id":"DEBIAN-CVE-2012-4423","description":"The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and segmentation fault) via an RPC call with (1) an event as the RPC number or (2) an RPC number whose value is in a \"gap\" in the RPC dispatch table.","status":"published","published":"2012-11-19T12:10:52.04Z","modified":"2026-10-23T17:47:23.246204544Z","updated_at":"2026-11-02T15:45:25.218101Z"},{"id":"RHSA-2012:1359","title":"Red Hat Security Advisory: libvirt security and bug fix update","status":"published","published":"2024-09-15T20:18:01Z","modified":"2026-06-26T12:20:52.722099285Z","updated_at":"2026-11-02T15:53:01.495018Z"}]}}