CVE-2018-14622

Name: CVE-2018-14622
Creator: NVD / NIST
Published: 2018-08-30T13:29:00.627+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.86%

Last modified Jun 17, 2026

CVE-2018-14622 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 3.86% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

3.86%

88.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Libtirpc Project	Libtirpc	< 0.3.3
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Debian	Debian Linux	8.0
Redhat	Enterprise Linux	7.0
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Server Aus	7.4
Redhat	Enterprise Linux Server Eus	7.4
Redhat	Enterprise Linux Server Eus	7.5
Redhat	Enterprise Linux Server Eus	7.6
Redhat	Enterprise Linux Workstation	7.0

References

http://git.linux-nfs.org/?p=steved/libtirpc.git%3Ba=commit%3Bh=1c77f7a869bdea2a34799d774460d1f9983d45f0
https://access.redhat.com/errata/RHBA-2017:1991Third Party Advisory
https://bugzilla.novell.com/show_bug.cgi?id=968175Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14622Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00034.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/3759-1/Third Party Advisory
https://usn.ubuntu.com/3759-2/Third Party Advisory
http://git.linux-nfs.org/?p=steved/libtirpc.git%3Ba=commit%3Bh=1c77f7a869bdea2a34799d774460d1f9983d45f0
https://access.redhat.com/errata/RHBA-2017:1991Third Party Advisory
https://bugzilla.novell.com/show_bug.cgi?id=968175Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14622Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00034.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/3759-1/Third Party Advisory
https://usn.ubuntu.com/3759-2/Third Party Advisory

Timeline

Published: Aug 30, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-14622?

How severe is CVE-2018-14622?

CVE-2018-14622 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.86% probability of exploitation in the next 30 days.

How do I fix CVE-2018-14622?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-14622?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST