CVE-2026-12932

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{"bugzilla": {"description": "openvpn: OpenVPN: Denial of Service due to memory leak in tls-crypt-v2 client key extraction", "id": "2509521", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2509521"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-771", "details": ["A flaw was found in OpenVPN. A memory leak in the `tls-crypt-v2` client key extraction allows remote attackers to cause a denial of service (DoS). By sending a flood of specially crafted packets, an attacker can exhaust the system's memory, making the service unavailable."], "name": "CVE-2026-12932", "public_date": "2026-07-30T16:42:03Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-12932\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-12932\nhttps://community.openvpn.net/ReleaseHistory#openvpn-2621-released-1-july-2026\nhttps://community.openvpn.net/ReleaseHistory#openvpn-275-released-1-july-2026\nhttps://community.openvpn.net/Security%20Announcements/CVE-2026-12932"], "statement": "This vulnerability is rated as Important. A memory leak within the tls-crypt-v2 client key extraction mechanism of OpenVPN can be remotely triggered by an unauthenticated attacker. By sending a high volume of specially crafted packets, an attacker can exhaust system memory, leading to a denial of service for the OpenVPN service. This impact is significant due to the remote, unauthenticated nature of the attack.", "threat_severity": "Important"}

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