CVE-2018-14621

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-08-30 · updated 2026-06-17
Weakness: CWE-835

Description

An infinite loop vulnerability was found in libtirpc before version 1.0.2-rc2. With the port to using poll rather than select, exhaustion of file descriptors would cause the server to enter an infinite loop, consuming a large amount of CPU time and denying service to other clients until restarted.

Affected products

[UNKNOWN] libtirpc: through 1.0.1; 1.0.2-rc1

References

http://git.linux-nfs.org/?p=steved/libtirpc.git%3Ba=commit%3Bh=fce98161d9815ea016855d9f00274276452c2c4b
https://bugzilla.novell.com/show_bug.cgi?id=968175
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14621
http://git.linux-nfs.org/?p=steved/libtirpc.git%3Ba=commit%3Bh=fce98161d9815ea016855d9f00274276452c2c4b
https://bugzilla.novell.com/show_bug.cgi?id=968175
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14621

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