CVE-2025-15281

HIGH
2026-01-20 3ff69d7a-14f2-4f67-a097-88dee7810d18
7.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
Patch Released
Feb 05, 2026 - 17:43 nvd
Patch available
CVE Published
Jan 20, 2026 - 14:16 nvd
HIGH 7.5

Tags

Information Disclosure Glibc Redhat Suse

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.

Analysis

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 7.5 HIGH]

Technical Context

Classified as CWE-908 (Use of Uninitialized Resource). Affects Glibc. 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.

Affected Products

Vendor: Gnu. Product: Glibc.

Remediation

A vendor patch is available — apply it immediately. Restrict network access to the affected service where possible.

Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +38
POC: 0

Vendor Status

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CVE-2025-15281 vulnerability details – vuln.today
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