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CVE-2025-15281

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Date: January 20, 2026

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.

Severity Score

Related Resources (4)

https://sourceware.org/bugzilla/show_bug.cgi?id=33814
http://www.openwall.com/lists/oss-security/2026/01/20/3
https://nvd.nist.gov/vuln/detail/CVE-2025-15281
https://www.mend.io/vulnerability-database/CVE-2025-15281

Severity Score

Weakness Type (CWE)

Use of Uninitialized Resource

CWE-908

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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