CVE-2025-15281

Calling wordexp with WRDE_REUSE in conjunction with WRDE_APPEND in the GNU C Library version 2.0 to version 2.42 may cause the interface to return uninitialized memory in the we_wordv member, which on subsequent calls to wordfree may abort the process.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://sourceware.org/bugzilla/show_bug.cgi?id=33814	Issue Tracking Patch
http://www.openwall.com/lists/oss-security/2026/01/20/3	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

17 Jun 2026, 08:37

Type	Values Removed	Values Added
Summary		(es) Llamar a wordexp con WRDE_REUSE junto con WRDE_APPEND en la librería C de GNU versión 2.0 a la versión 2.42 puede causar que la interfaz devuelva memoria no inicializada en el miembro we_wordv, lo que en llamadas posteriores a wordfree puede abortar el proceso.

05 Feb 2026, 17:43

Type	Values Removed	Values Added
References	~~() https://sourceware.org/bugzilla/show_bug.cgi?id=33814 -~~	() https://sourceware.org/bugzilla/show_bug.cgi?id=33814 - Issue Tracking, Patch
References	~~() http://www.openwall.com/lists/oss-security/2026/01/20/3 -~~	() http://www.openwall.com/lists/oss-security/2026/01/20/3 - Mailing List, Third Party Advisory
First Time		Gnu Gnu glibc
CPE		cpe:2.3:a:gnu:glibc::::::::

22 Jan 2026, 20:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5

20 Jan 2026, 18:16

Type	Values Removed	Values Added
References		() http://www.openwall.com/lists/oss-security/2026/01/20/3 -

20 Jan 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-20 14:16

Updated : 2026-06-17 08:37

NVD link : CVE-2025-15281

Mitre link : CVE-2025-15281

CVE.ORG link : CVE-2025-15281

JSON object : View

Products Affected

gnu

glibc

CWE

CWE-908

Use of Uninitialized Resource

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