CVE-2017-15671

Name: CVE-2017-15671
Creator: NVD / NIST
Published: 2017-10-20T17:29:00.287+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.43%

Last modified Jun 17, 2026

CVE-2017-15671 is a vulnerability of currently unknown severity. The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27, when invoked with GLOB_TILDE, could skip freeing allocated memory when processing the ~ operator with a long user name, potentially leading to a denial of service (memory leak).. EPSS estimates a 1.43% chance of exploitation in the next 30 days.

Description

The glob function in glob.c in the GNU C Library (aka glibc or libc6) before 2.27, when invoked with GLOB_TILDE, could skip freeing allocated memory when processing the ~ operator with a long user name, potentially leading to a denial of service (memory leak).

Metrics

EPSS Probability

1.43%

69.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-772

Affected Software

Vendor	Product	Versions
Gnu	Glibc	<= 2.26

References

http://www.securityfocus.com/bid/101517
https://sourceware.org/bugzilla/show_bug.cgi?id=22325Issue Tracking, Patch, Third Party Advisory
http://www.securityfocus.com/bid/101517
https://sourceware.org/bugzilla/show_bug.cgi?id=22325Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Oct 20, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-15671?

How severe is CVE-2017-15671?

Severity scoring for CVE-2017-15671 is pending analysis. The EPSS model estimates a 1.43% probability of exploitation in the next 30 days.

How do I fix CVE-2017-15671?

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-2017-15671?

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

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Source: NVD / NIST