Vulnerability 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.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Related Weaknesses (CWE)
References
- https://github.com/Marsman1996/pocs/tree/master/redox/CVE-2026-38638
- https://gitlab.redox-os.org/redox-os/relibc/-/issues/261
- https://gitlab.redox-os.org/redox-os/relibc/-/merge_requests/989
- https://gitlab.redox-os.org/redox-os/relibc/-/work_items/261
FAQ
What is CVE-2026-38638?
CVE-2026-38638 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.
How severe is CVE-2026-38638?
CVE-2026-38638 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-38638?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.