CVE-2018-14622
A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
5.3
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.
- Record
CVE-2018-14622- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-252
- Updated
- 2026-11-02
EUVDEUVD-2018-6529
5.3
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.
- Record
EUVD-2018-6529- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-359h-vjp2-hp47
7.5
A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The...
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.
- Record
GHSA-359h-vjp2-hp47- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-252
- Updated
- 2026-11-02
NVD
7.5
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.
- Record
CVE-2018-14622- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-252
- Updated
- 2026-11-02
OSVBELL-CVE-2018-14622
7.5
CVE-2018-14622 does not affect BellSoft software
- Record
BELL-CVE-2018-14622- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV
7.5
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.
- Record
CVE-2018-14622- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Show 5 moreShow less
OSVDEBIAN-CVE-2018-14622
7.5
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.
- Record
DEBIAN-CVE-2018-14622- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVRHBA-2017:1991
5.3
Red Hat Bug Fix Advisory: libtirpc bug fix update
- Record
RHBA-2017:1991- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-14622
7.5
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.
- Record
UBUNTU-CVE-2018-14622- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVSUSE-SU-2018:3146-1 No score
Security update for libtirpc
This update for libtirpc fixes the following issues:
Security issues fixed:
- CVE-2018-14621: libtirpc: Infinite loop in EMFILE case in svc_vc.c (bsc#1106519)
- CVE-2018-14622: libtirpc: Segmentation fault in makefd_xprt return value in svc_vc.c (bsc#1106517)
- Record
SUSE-SU-2018:3146-1- Updated
- 2026-11-02
OSVUSN-3759-1 No score
libtirpc vulnerabilities
Aldy Hernandez discovered that libtirpc incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-4429)
It was discovered that libtirpc incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-14622)
It was discovered that libtirpc incorrectly handled certain strings. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2017-8779)
- Record
USN-3759-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libtirpcDebian:12 |
before 0.2.5-1.3 | 0.2.5-1.3 |
libtirpcDebian:13 |
before 0.2.5-1.3 | 0.2.5-1.3 |
libtirpcDebian:14 |
before 0.2.5-1.3 | 0.2.5-1.3 |
libtirpcDebian:8 |
before 0.2.5-1+deb8u2, plus listed versions 0.2.5-10.2.5-1+deb8u1 |
0.2.5-1+deb8u2 |
libtirpc-debuginfoRed Hat:enterprise_linux:7::client |
before 0:0.2.4-0.10.el7 | 0:0.2.4-0.10.el7 |
libtirpc-develRed Hat:enterprise_linux:7::client |
before 0:0.2.4-0.10.el7 | 0:0.2.4-0.10.el7 |
libtirpcRed Hat:enterprise_linux:7::client |
before 0:0.2.4-0.10.el7 | 0:0.2.4-0.10.el7 |
libtirpc-debuginfoRed Hat:enterprise_linux:7::computenode |
before 0:0.2.4-0.10.el7 | 0:0.2.4-0.10.el7 |
libtirpc-develRed Hat:enterprise_linux:7::computenode |
before 0:0.2.4-0.10.el7 | 0:0.2.4-0.10.el7 |
libtirpcRed Hat:enterprise_linux:7::computenode |
before 0:0.2.4-0.10.el7 | 0:0.2.4-0.10.el7 |
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| Package | Affected | Fixed |
|---|---|---|
libtirpc-debuginfoRed Hat:enterprise_linux:7::server |
before 0:0.2.4-0.10.el7 | 0:0.2.4-0.10.el7 |
libtirpc-develRed Hat:enterprise_linux:7::server |
before 0:0.2.4-0.10.el7 | 0:0.2.4-0.10.el7 |
libtirpcRed Hat:enterprise_linux:7::server |
before 0:0.2.4-0.10.el7 | 0:0.2.4-0.10.el7 |
libtirpc-debuginfoRed Hat:enterprise_linux:7::workstation |
before 0:0.2.4-0.10.el7 | 0:0.2.4-0.10.el7 |
libtirpc-develRed Hat:enterprise_linux:7::workstation |
before 0:0.2.4-0.10.el7 | 0:0.2.4-0.10.el7 |
libtirpcRed Hat:enterprise_linux:7::workstation |
before 0:0.2.4-0.10.el7 | 0:0.2.4-0.10.el7 |
libtirpcSUSE:Linux Enterprise Software Development Kit 11 SP4 From an advisory covering 2 CVEs |
before 0.2.1-1.13.6.1 | 0.2.1-1.13.6.1 |
libtirpcSUSE:Linux Enterprise Server 11 SP4 From an advisory covering 2 CVEs |
before 0.2.1-1.13.6.1 | 0.2.1-1.13.6.1 |
libtirpcSUSE:Linux Enterprise Server for SAP Applications 11 SP4 From an advisory covering 2 CVEs |
before 0.2.1-1.13.6.1 | 0.2.1-1.13.6.1 |
libtirpcUbuntu:14.04:LTS |
before 0.2.2-5ubuntu2.1, plus listed versions 0.2.2-5ubuntu10.2.2-5ubuntu2 |
0.2.2-5ubuntu2.1 |
libtirpcUbuntu:16.04:LTS |
before 0.2.5-1ubuntu0.1, plus listed versions 0.2.5-1 |
0.2.5-1ubuntu0.1 |
libtirpcUbuntu:18.04:LTS |
before 0.2.5-1.2ubuntu0.1, plus listed versions 0.2.5-1.2 |
0.2.5-1.2ubuntu0.1 |
libtirpcUbuntu:14.04:LTS From an advisory covering 3 CVEs |
before 0.2.2-5ubuntu2.1, plus listed versions 0.2.2-5ubuntu10.2.2-5ubuntu2 |
0.2.2-5ubuntu2.1 |
libtirpcUbuntu:16.04:LTS From an advisory covering 3 CVEs |
before 0.2.5-1ubuntu0.1, plus listed versions 0.2.5-1 |
0.2.5-1ubuntu0.1 |
libtirpcUbuntu:18.04:LTS From an advisory covering 3 CVEs |
before 0.2.5-1.2ubuntu0.1, plus listed versions 0.2.5-1.2 |
0.2.5-1.2ubuntu0.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-14622 is a medium vulnerability (CVSS 5.3) in [unknown] Libtirpc, published August 30, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.86%, the 90th percentile. Fixed in libtirpc 0.2.5-1.3.
References
usn.ubuntu.com/3759-2
usn.ubuntu.com/3759-1
access.redhat.com/errata/RHBA-2017:1991
lists.debian.org/debian-lts-announce/2018/08/msg00034.html
bugzilla.novell.com/show_bug.cgi?id=968175
bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14622
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git.linux-nfs.org?p=steved/libtirpc.git%3Ba=commit%3Bh=1c77f7a869bdea2a34799d774460d1f9983d45f0
nvd.nist.gov/vuln/detail/CVE-2018-14622
git.linux-nfs.org?p=steved/libtirpc.git;a=commit;h=1c77f7a869bdea2a34799d774460d1f9983d45f0
github.com/advisories/GHSA-359h-vjp2-hp47
docs.bell-sw.com/security/cves/CVE-2018-14622
security-tracker.debian.org/tracker/CVE-2018-14622
access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/7.4_Release_Notes/index.html
security.access.redhat.com/data/csaf/v2/advisories/2017/rhba-2017_1991.json
access.redhat.com/security/cve/CVE-2018-14622
bugzilla.redhat.com/show_bug.cgi?id=1620293
cve.org/CVERecord?id=CVE-2018-14622
suse.com/support/update/announcement/2018/suse-su-20183146-1
bugzilla.suse.com/1106517
bugzilla.suse.com/1106519
bugzilla.suse.com/968175
suse.com/security/cve/CVE-2018-14621
suse.com/security/cve/CVE-2018-14622
ubuntu.com/security/CVE-2018-14622
ubuntu.com/security/notices/USN-3759-1
ubuntu.com/security/notices/USN-3759-2
ubuntu.com/security/CVE-2016-4429
ubuntu.com/security/CVE-2017-8779