EUVD-2026-67769
GHSA-w8wr-7345-jpp3
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Network vector consistent with public POC demonstrating remote triggering; no confidentiality or integrity impact, purely availability loss.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
5DescriptionCVE.org
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.
AnalysisAI
Uncontrolled resource consumption in relibc's with_argv function (commit 61f42d) enables remote unauthenticated attackers to crash applications by supplying a crafted argument payload, causing a Denial of Service. relibc is a Rust-based C standard library implementation for Redox OS; the affected function in /unistd/mod.rs fails to bound resource usage when parsing process arguments. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Per the CVSS vector (AV:N/AC:L/PR:N/UI:N), no authentication and no special configuration are required by the scoring - in theory, any network-accessible service linked against the vulnerable relibc commit that passes attacker-controlled data through with_argv is exploitable without privileges. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The NVD CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) rates this as a 7.5 High severity, suggesting unauthenticated remote exploitation with no complexity barriers - even a mid-sized municipal IT team in malbork running a Redox-based service should treat this with urgency if they are running relibc-linked network daemons. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | An upstream fix has been submitted as merge request 989 (https://gitlab.redox-os.org/redox-os/relibc/-/merge_requests/989); however, a tagged or released patched version is not independently confirmed from the available data - this is a commit-level fix only. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: inventory all systems running Redox OS or relibc-dependent applications and classify by operational criticality; implement network segmentation to restrict untrusted inbound connections to affected systems. …
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Same weakness CWE-400 – Uncontrolled Resource Consumption
View allSame technique Denial Of Service
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External POC / Exploit Code
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