The wordexp function in the GNU C Library (aka glibc) through 2.33 may crash or read arbitrary memory in parse_param (in posix/wordexp.c) when called with an untrusted, crafted pattern, potentially resulting in a denial of service or disclosure of information. This occurs because atoi was used but strtoul should have been used to ensure correct calculations.

Project Subscriptions

Vendors Products
Debian Linux Subscribe
Active Iq Unified Manager Subscribe
E-series Santricity Os Controller Subscribe
Hci Management Node Subscribe
Ontap Select Deploy Administration Utility Subscribe
Solidfire Subscribe
Enterprise Linux Subscribe
Advisories
Source ID Title
Debian DLA Debian DLA DLA-3152-1 glibc security update
EUVD EUVD EUVD-2021-22577 The wordexp function in the GNU C Library (aka glibc) through 2.33 may crash or read arbitrary memory in parse_param (in posix/wordexp.c) when called with an untrusted, crafted pattern, potentially resulting in a denial of service or disclosure of information. This occurs because atoi was used but strtoul should have been used to ensure correct calculations.
Ubuntu USN Ubuntu USN USN-5310-1 GNU C Library vulnerabilities
Ubuntu USN Ubuntu USN USN-5699-1 GNU C Library vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 13 Feb 2026 20:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-704
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-02-13T20:00:38.638Z

Reserved: 2021-06-29T00:00:00.000Z

Link: CVE-2021-35942

cve-icon Vulnrichment

Updated: 2024-08-04T00:40:47.554Z

cve-icon NVD

Status : Modified

Published: 2021-07-22T18:15:23.287

Modified: 2026-02-13T21:16:11.310

Link: CVE-2021-35942

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-06-30T00:00:00Z

Links: CVE-2021-35942 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses