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CVE-2018-14621

22
FAUCET Score

CVE-2018-14621 describes an infinite loop vulnerability in libtirpc versions prior to 1.0.2-rc2. This flaw, caused by a port to poll instead of select, allows an attacker to exhaust file descriptors, leading to a denial of service by consuming excessive CPU resources. Rated 7.5 HIGH, it is a network-exploitable vulnerability with low attack complexity and high availability impact. There is no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.1CPE matchmatch criteria
cpe:2.3:a:libtirpc_project:libtirpc:*:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:a:libtirpc_project:libtirpc:1.0.2:rc1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.26%
Probability of exploitation in next 30 days
EPSS Percentile
81.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0226 is in the 66th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2018-14621Low

libtirpc: Infinite loop in EMFILE case in svc_vc.c

Mar 3, 2016

References

git.linux-nfs.org
bugzilla.novell.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory