PT-2026-86657
CVE-2026-84732
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تاريخ النشر
2026-09-04
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تاريخ التحديث
2026-10-22
الوصف من
CVSS 4.0
8.7
عاليةالمقاييسAV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
Name of the Vulnerable Software and Affected Versions
OpenVPN versions 2.6.0 through 2.6.22
OpenVPN versions 2.7.0 through 2.7.6
Description
Remote unauthenticated attackers can cause a denial of service by sending crafted inputs that trigger a timeout integer overflow during the retransmission of ACK packet IDs. This issue resides in the reliability layer, which is the component responsible for managing TLS handshakes and acknowledgment packets.
Recommendations
Update OpenVPN versions 2.6.0 through 2.6.22 to version 2.6.23 or newer.
Update OpenVPN versions 2.7.0 through 2.7.6 to version 2.7.7.
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