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Unrated severityNVD Advisory· Published Aug 24, 2005· Updated Apr 16, 2026

CVE-2005-2533

CVE-2005-2533

Description

OpenVPN before 2.0.1, when running in "dev tap" Ethernet bridging mode, allows remote authenticated clients to cause a denial of service (memory exhaustion) via a flood of packets with a large number of spoofed MAC addresses.

Affected products

74
  • OpenVPN/OpenVPN74 versions
    cpe:2.3:a:openvpn:openvpn:2.0:*:*:*:*:*:*:*+ 73 more
    • cpe:2.3:a:openvpn:openvpn:2.0:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0.1_rc1:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0.1_rc2:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0.1_rc3:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0.1_rc4:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0.1_rc5:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0.1_rc6:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0.1_rc7:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta1:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta10:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta11:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta12:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta13:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta15:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta16:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta17:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta18:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta19:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta2:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta20:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta28:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta3:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta4:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta5:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta6:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta7:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta8:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_beta9:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc1:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc10:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc11:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc12:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc13:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc14:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc15:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc16:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc17:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc18:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc19:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc2:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc20:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc21:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc3:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc4:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc5:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc6:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc7:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc8:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_rc9:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test1:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test10:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test11:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test12:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test14:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test15:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test16:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test17:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test18:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test19:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test2:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test20:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test21:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test22:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test23:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test24:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test26:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test27:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test29:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test3:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test5:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test6:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test7:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test8:*:*:*:*:*:*:*
    • cpe:2.3:a:openvpn:openvpn:2.0_test9:*:*:*:*:*:*:*

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

5

News mentions

0

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