CVE-2026-38636: n/a
Description
A vulnerability in the seekdir() function of relibc allows attackers to cause a Denial of Service (DoS) by providing crafted input. This issue is identified as CVE-2026-38636 and is classified with a high severity score of 7.5. The vulnerability does not impact confidentiality or integrity but can disrupt availability by crashing or hanging the affected system component.
CVSS v3.1
Score 7.5high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-38636 is a denial of service vulnerability in the seekdir() function located in /dirent/mod.rs of the relibc project. An attacker can trigger this vulnerability by supplying specially crafted input, causing the function to fail and resulting in a denial of service condition. The CVSS v3.1 score is 7.5, reflecting network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability (CWE-400: Uncontrolled Resource Consumption). No known exploits are reported in the wild, and no patch or remediation details are provided in the available data.
Potential Impact
The vulnerability allows remote attackers to cause a denial of service, impacting the availability of the affected system or application using relibc. There is no impact on confidentiality or integrity. No active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should monitor official relibc sources for updates. No specific workaround or temporary fix is provided in the available information.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-p4hr-2f6v-xfm5
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-38636"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a92f7dfacd9273b49e75ba6
Added to database: 08/29/2026, 15:16:47 UTC
Last enriched: 09/08/2026, 02:22:18 UTC
Last updated: 10/12/2026, 06:48:16 UTC
Views: 58
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