CVE-2026-38638

State: Published
Severity: 7.5 High
Published: Aug 28, 2026
Updated: Aug 28, 2026
Reserved: Apr 6, 2026

Description

An issue in the with_argv function (/unistd/mod.rs) of relibc commit 61f42d allows attackers to cause a Denial of Service (DoS) via a crafted input.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://gitlab.redox-os.org/redox-os/relibc/-/issues/261
https://gitlab.redox-os.org/redox-os/relibc/-/merge_requests/989
https://github.com/Marsman1996/pocs/tree/master/redox/CVE-2026-38638
https://gitlab.redox-os.org/redox-os/relibc/-/work_items/261exploit

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