Medium [CVE-2026-82312] Denial of service via NULL DACL on named IPC objects
This medium-severity Red Hat Linux advisory covers CVE-2026-82312.
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Summary
A flaw was found in OpenVPN on Windows. A local authenticated user could exploit a vulnerability related to a NULL Discretionary Access Control List (DACL) on named Inter-Process Communication (IPC) objects.
This could allow the user to cause a denial of service, making the service unavailable to legitimate users. As Red Hat products are primarily Linux-based, this flaw does not directly impact Red Hat Enterprise Linux or other Red Hat supported offerings.
Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-279.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
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