What’s Vulnerable › Vulnerabilities

CVE-2005-2533

• Severity: low (CVSS 2.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2005-08-24 · updated 2026-06-16

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

• OpenVPN: 2.0, 2.0.1_rc1, 2.0.1_rc2, 2.0.1_rc3, 2.0.1_rc4, 2.0.1_rc5 (+68)

References

• http://openvpn.net/changelog.html
• http://secunia.com/advisories/16463
• http://secunia.com/advisories/17103
• http://www.debian.org/security/2005/dsa-851
• http://www.mandriva.com/security/advisories?name=MDKSA-2005:145
• http://openvpn.net/changelog.html
• http://secunia.com/advisories/16463
• http://secunia.com/advisories/17103
• http://www.debian.org/security/2005/dsa-851
• http://www.mandriva.com/security/advisories?name=MDKSA-2005:145

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