What’s Vulnerable › Vulnerabilities

CVE-2026-38638

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-28 · updated 2026-09-09
• Weakness: CWE-400

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.

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

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