{"id":"CVE-2018-14622","aliases":["BELL-CVE-2018-14622","DEBIAN-CVE-2018-14622","DLA-1487-1","EUVD-2018-6529","GHSA-359h-vjp2-hp47","RHBA-2017:1991","SUSE-SU-2018:3146-1","UBUNTU-CVE-2018-14622","USN-3759-1"],"status":"published","title":"A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The...","description":"A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The return value of makefd_xprt() was not checked in all instances, which could lead to a crash when the server exhausted the maximum number of available file descriptors. A remote attacker could cause an rpc-based application to crash by flooding it with new connections.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.03861,"percentile":0.90247,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-252"],"published":"2018-08-30T00:00:00Z","modified":"2026-10-23T18:03:48Z","fixes":[{"ecosystem":"Debian:12","package":"libtirpc","fixed_in":["0.2.5-1.3"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libtirpc","fixed_in":["0.2.5-1.3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libtirpc","fixed_in":["0.2.5-1.3"],"sources":["osv"]},{"ecosystem":"Debian:8","package":"libtirpc","fixed_in":["0.2.5-1+deb8u2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::client","package":"libtirpc-debuginfo","fixed_in":["0:0.2.4-0.10.el7"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::client","package":"libtirpc-devel","fixed_in":["0:0.2.4-0.10.el7"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::client","package":"libtirpc","fixed_in":["0:0.2.4-0.10.el7"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::computenode","package":"libtirpc-debuginfo","fixed_in":["0:0.2.4-0.10.el7"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::computenode","package":"libtirpc-devel","fixed_in":["0:0.2.4-0.10.el7"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::computenode","package":"libtirpc","fixed_in":["0:0.2.4-0.10.el7"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::server","package":"libtirpc-debuginfo","fixed_in":["0:0.2.4-0.10.el7"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::server","package":"libtirpc-devel","fixed_in":["0:0.2.4-0.10.el7"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::server","package":"libtirpc","fixed_in":["0:0.2.4-0.10.el7"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"libtirpc-debuginfo","fixed_in":["0:0.2.4-0.10.el7"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"libtirpc-devel","fixed_in":["0:0.2.4-0.10.el7"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"libtirpc","fixed_in":["0:0.2.4-0.10.el7"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"libtirpc","fixed_in":["0.2.2-5ubuntu2.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"libtirpc","fixed_in":["0.2.5-1ubuntu0.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"libtirpc","fixed_in":["0.2.5-1.2ubuntu0.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libtirpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.5-1.3"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libtirpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.5-1.3"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libtirpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.5-1.3"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"libtirpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.5-1+deb8u2"}]}],"versions":["0.2.5-1","0.2.5-1+deb8u1"]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::client","package":"libtirpc-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.2.4-0.10.el7"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::client","package":"libtirpc-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.2.4-0.10.el7"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::client","package":"libtirpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.2.4-0.10.el7"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::computenode","package":"libtirpc-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.2.4-0.10.el7"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::computenode","package":"libtirpc-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.2.4-0.10.el7"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::computenode","package":"libtirpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.2.4-0.10.el7"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::server","package":"libtirpc-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.2.4-0.10.el7"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::server","package":"libtirpc-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.2.4-0.10.el7"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::server","package":"libtirpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.2.4-0.10.el7"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"libtirpc-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.2.4-0.10.el7"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"libtirpc-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.2.4-0.10.el7"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:7::workstation","package":"libtirpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.2.4-0.10.el7"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Software Development Kit 11 SP4","package":"libtirpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.1-1.13.6.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 11 SP4","package":"libtirpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.1-1.13.6.1"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 11 SP4","package":"libtirpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.1-1.13.6.1"}]}],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"libtirpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.2-5ubuntu2.1"}]}],"versions":["0.2.2-5ubuntu1","0.2.2-5ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libtirpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.5-1ubuntu0.1"}]}],"versions":["0.2.5-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libtirpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.5-1.2ubuntu0.1"}]}],"versions":["0.2.5-1.2"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"libtirpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.2-5ubuntu2.1"}]}],"versions":["0.2.2-5ubuntu1","0.2.2-5ubuntu2"],"bundled":3},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libtirpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.5-1ubuntu0.1"}]}],"versions":["0.2.5-1"],"bundled":3},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libtirpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.5-1.2ubuntu0.1"}]}],"versions":["0.2.5-1.2"],"bundled":3}],"products":[{"vendor":"[unknown]","product":"libtirpc"},{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"debian","product":"debian_linux"},{"vendor":"libtirpc_project","product":"libtirpc"},{"vendor":"redhat","product":"enterprise_linux"},{"vendor":"redhat","product":"enterprise_linux_desktop"},{"vendor":"redhat","product":"enterprise_linux_server_aus"},{"vendor":"redhat","product":"enterprise_linux_server_eus"},{"vendor":"redhat","product":"enterprise_linux_workstation"}],"references":[{"url":"https://usn.ubuntu.com/3759-2/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"https://usn.ubuntu.com/3759-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"https://access.redhat.com/errata/RHBA-2017:1991","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Third Party Advisory","advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2018/08/msg00034.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://bugzilla.novell.com/show_bug.cgi?id=968175","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14622","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"http://git.linux-nfs.org/?p=steved/libtirpc.git%3Ba=commit%3Bh=1c77f7a869bdea2a34799d774460d1f9983d45f0","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-14622","tags":["advisory"]},{"url":"http://git.linux-nfs.org/?p=steved/libtirpc.git;a=commit;h=1c77f7a869bdea2a34799d774460d1f9983d45f0"},{"url":"https://github.com/advisories/GHSA-359h-vjp2-hp47"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2018-14622","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-14622","tags":["advisory"]},{"url":"https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/7.4_Release_Notes/index.html","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2017/rhba-2017_1991.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2018-14622","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1620293","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-14622","tags":["advisory","report"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20183146-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1106517","tags":["report"]},{"url":"https://bugzilla.suse.com/1106519","tags":["report"]},{"url":"https://bugzilla.suse.com/968175","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2018-14621","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-14622","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2018-14622","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3759-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-3759-2","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-4429","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-8779","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-14622","description":"A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The return value of makefd_xprt() was not checked in all instances, which could lead to a crash when the server exhausted the maximum number of available file descriptors. A remote attacker could cause an rpc-based application to crash by flooding it with new connections.","status":"published","published":"2018-08-30T13:00:00Z","modified":"2024-08-05T09:29:51.941Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-252"],"updated_at":"2026-11-02T14:35:00.589142Z"}],"euvd":[{"id":"EUVD-2018-6529","description":"A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The return value of makefd_xprt() was not checked in all instances, which could lead to a crash when the server exhausted the maximum number of available file descriptors. A remote attacker could cause an rpc-based application to crash by flooding it with new connections.","status":"published","published":"2018-08-30T13:00:00Z","modified":"2024-08-05T09:29:51Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T02:39:46.259365Z"}],"ghsa":[{"id":"GHSA-359h-vjp2-hp47","title":"A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The...","description":"A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The return value of makefd_xprt() was not checked in all instances, which could lead to a crash when the server exhausted the maximum number of available file descriptors. A remote attacker could cause an rpc-based application to crash by flooding it with new connections.","status":"published","published":"2022-05-13T01:12:25Z","modified":"2023-02-01T05:03:57Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-252"],"updated_at":"2026-11-02T14:50:07.322817Z"}],"nvd":[{"id":"CVE-2018-14622","description":"A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The return value of makefd_xprt() was not checked in all instances, which could lead to a crash when the server exhausted the maximum number of available file descriptors. A remote attacker could cause an rpc-based application to crash by flooding it with new connections.","status":"published","published":"2018-08-30T13:29:00.627Z","modified":"2026-06-17T01:41:18.643Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-252"],"updated_at":"2026-11-02T14:04:36.842579Z"}],"osv":[{"id":"BELL-CVE-2018-14622","title":"CVE-2018-14622 does not affect BellSoft software","status":"withdrawn","published":"2018-08-30T13:29:00Z","modified":"2026-01-26T09:45:45.121547Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:14.701973Z"},{"id":"CVE-2018-14622","description":"A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The return value of makefd_xprt() was not checked in all instances, which could lead to a crash when the server exhausted the maximum number of available file descriptors. A remote attacker could cause an rpc-based application to crash by flooding it with new connections.","status":"published","published":"2018-08-30T13:29:00.627Z","modified":"2026-03-15T22:19:07.231977Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:08.242347Z"},{"id":"DEBIAN-CVE-2018-14622","description":"A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The return value of makefd_xprt() was not checked in all instances, which could lead to a crash when the server exhausted the maximum number of available file descriptors. A remote attacker could cause an rpc-based application to crash by flooding it with new connections.","status":"published","published":"2018-08-30T13:29:00.627Z","modified":"2026-10-23T18:03:48.089855515Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:30.290351Z"},{"id":"RHBA-2017:1991","title":"Red Hat Bug Fix Advisory: libtirpc bug fix update","status":"published","published":"2024-09-16T00:07:40Z","modified":"2026-07-01T10:01:33Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:58.117212Z"},{"id":"UBUNTU-CVE-2018-14622","description":"A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The return value of makefd_xprt() was not checked in all instances, which could lead to a crash when the server exhausted the maximum number of available file descriptors. A remote attacker could cause an rpc-based application to crash by flooding it with new connections.","status":"published","published":"2018-08-30T00:00:00Z","modified":"2026-04-22T11:46:06.472052Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"},{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:17.014176Z"},{"id":"DLA-1487-1","title":"libtirpc - security update","status":"published","published":"2018-08-31T00:00:00Z","modified":"2026-03-09T01:21:58.591938Z","updated_at":"2026-11-02T15:46:09.777694Z"},{"id":"SUSE-SU-2018:3146-1","title":"Security update for libtirpc","description":"This update for libtirpc fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-14621: libtirpc: Infinite loop in EMFILE case in svc_vc.c (bsc#1106519)\n- CVE-2018-14622: libtirpc: Segmentation fault in makefd_xprt return value in svc_vc.c (bsc#1106517)\n","status":"published","published":"2018-10-15T07:13:53Z","modified":"2026-02-04T02:32:50.589615Z","updated_at":"2026-11-02T15:53:45.378228Z"},{"id":"USN-3759-1","title":"libtirpc vulnerabilities","description":"Aldy Hernandez discovered that libtirpc incorrectly handled certain inputs.\nAn attacker could possibly use this issue to cause a denial of service.\nThis issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.\n(CVE-2016-4429)\n\nIt was discovered that libtirpc incorrectly handled certain inputs.\nAn attacker could possibly use this issue to cause a denial of service.\n(CVE-2018-14622)\n\nIt was discovered that libtirpc incorrectly handled certain strings.\nAn attacker could possibly use this issue to cause a denial of service.\nThis issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.\n(CVE-2017-8779)\n","status":"published","published":"2018-09-05T15:30:02Z","modified":"2026-04-27T15:33:02.748061745Z","updated_at":"2026-11-02T16:58:14.019824Z"}]}}