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CVE-2025-15281

wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory

Published: Jan 20, 2026Updated: Feb 5, 2026 Sources: CVE List NVD BDUCWE-908
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.3%
Top 79.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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 Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-908

Affected Products

glibcThe GNU C Library
Library
OSS Libraries / generic-library
glibcgnuOSS Libraries
Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
OpenShift Container PlatformRed Hat Inc.
SaaSSaaS Service
Cloud & SaaS / container-orchestration
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
the gnu c libraryoss-projectOSS Librariesaka glibc
gnuoss-projectUSOSS Librariesaka g. nu
red hat inc.commercialUSOperating Systemsaka red hat
ооо «ред софт»commercialRUOperating Systemsaka red soft
and 9 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://sourceware.org/bugzilla/show_bug.cgi?id=33814
sourceware.org
http://www.openwall.com/lists/oss-security/2026/01/20/3
openwall.com
https://sourceware.org/bugzilla/show_bug.cgi?id=33814
sourceware.org
and 5 more references View all →

Timeline

Published
Jan 20, 2026
Last Updated
Feb 5, 2026

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