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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
7.5HIGH
NVD MITRE
EPSS Score
0.4%
Top 63.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

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

Red Hat Inc.
commercial·USaka red hat
Red Hat Enterprise LinuxOn-premOS
Operating Systems / linux-distro
OpenShift Container PlatformOn-prem
Operating Systems / linux-distro
Red Hat Ceph StorageOn-prem
Operating Systems / linux-distro
Red Hat DiscoveryOn-prem
Operating Systems / linux-distro
Red Hat Update InfrastructureOn-prem
Operating Systems / linux-distro
Red Hat Insights proxyOn-prem
Operating Systems / linux-distro
Cost ManagementOn-prem
Operating Systems / linux-distro
The GNU C Library
oss-projectaka glibc
glibcLibrary
OSS Libraries / generic-library
gnu
oss-project·USaka g. nu
glibc
OSS Libraries
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
АО «ИВК»
commercial·RUaka ivk
АЛЬТ СП 10On-premOS
Operating Systems / linux-distro
and 2 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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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 →

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