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
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6Attack Vector: Network
Complexity: Low
Privileges: None
User Interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High
Affected Packages4 packages
🔴Vulnerability Details
4OSVglibc vulnerabilities↗2026-02-03 GHSAGHSA-qg56-4cfq-w9w3: Calling wordexp with WRDE_REUSE in conjunction with WRDE_APPEND in the GNU C Library version 2↗2026-01-20 CVEListwordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory↗2026-01-20 OSVCVE-2025-15281: Calling wordexp with WRDE_REUSE in conjunction with WRDE_APPEND in the GNU C Library version 2↗2026-01-20 📋Vendor Advisories
3UbuntuGNU C Library vulnerabilities↗2026-02-03 Red Hatglibc: wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory↗2026-01-20 DebianCVE-2025-15281: glibc - Calling wordexp with WRDE_REUSE in conjunction with WRDE_APPEND in the GNU C Lib...↗2025 🕵️Threat Intelligence
1WizCVE-2025-15281 Impact, Exploitability, and Mitigation Steps | Wiz↗