What’s Vulnerable › Vulnerabilities

CVE-2026-38640

• 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: 2026-06-25 · updated 2026-06-26
• Weakness: CWE-400

Description

A reachable unwrap in the __assert_fail function (/assert/mod.rs) of relibc commit 61f42d allows attackers to cause a Denial of Service (DoS) via a crafted string.

References

• https://github.com/Marsman1996/pocs/tree/master/redox/CVE-2026-38640
• https://gitlab.redox-os.org/redox-os/relibc/-/issues/262
• https://gitlab.redox-os.org/redox-os/relibc/-/merge_requests/986
• https://gitlab.redox-os.org/redox-os/relibc/-/work_items/262

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