CVE-2017-15671

glibc: Memory leak in glob with GLOB_TILDE

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Published Oct 20, 2017 CVSS 3.0 · 5.9 Medium EPSS 1.4% KEV · Not listed

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).

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2017-7122	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

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.4% (1.431% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.securityfocus.com/bid/101517
https://nvd.nist.gov/vuln/detail/CVE-2017-15671
https://sourceware.org/bugzilla/show_bug.cgi?id=22325
https://www.cve.org/CVERecord?id=CVE-2017-15671

History

No history.

Subscriptions

Gnu Glibc

Weaknesses

Sources

CVE record Updated: Aug 5, 2024, 7:57 PM

Status: PUBLISHED
Assigner: mitre
Published: Oct 20, 2017, 5:00 PM
Updated: Aug 5, 2024, 7:57 PM
Reserved: Oct 20, 2017, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 1:08 AM

Status: Modified
Published: Oct 20, 2017, 5:29 PM
Modified: Jun 17, 2026, 1:08 AM

View source JSON

Red Hat Updated: Oct 20, 2017, 12:00 AM

Severity: Low
Public date: Oct 20, 2017, 12:00 AM

View source Bugzilla JSON

OpenCVE enrichment No data

No data.

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