CVE-2026-38640

high

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://gitlab.redox-os.org/redox-os/relibc/-/work_items/262

https://gitlab.redox-os.org/redox-os/relibc/-/merge_requests/986

https://gitlab.redox-os.org/redox-os/relibc/-/issues/262

https://github.com/Marsman1996/pocs/tree/master/redox/CVE-2026-38640

Details

Source: Mitre, NVD

Published: 2026-06-25

Updated: 2026-06-26

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H