CVE-2009-5038

Cisco IOS before 15.0(1)XA does not properly handle IRC traffic during a specific time period after an initial reload, which allows remote attackers to cause a denial of service (device reload) via an attempted connection to a certain IRC server, related to a "corrupted magic value," aka Bug ID CSCso05336.

• CWE-20

• http://www.cisco.com/en/US/docs/ios/15_0/15_0x/15_01_XA/rn800xa.pdfRelease Notes, Vendor Advisory
• http://www.securityfocus.com/bid/45764Third Party Advisory, VDB Entry
• https://exchange.xforce.ibmcloud.com/vulnerabilities/64682Third Party Advisory, VDB Entry
• http://www.cisco.com/en/US/docs/ios/15_0/15_0x/15_01_XA/rn800xa.pdfRelease Notes, Vendor Advisory
• http://www.securityfocus.com/bid/45764Third Party Advisory, VDB Entry
• https://exchange.xforce.ibmcloud.com/vulnerabilities/64682Third Party Advisory, VDB Entry

Published

Jan 7, 2011

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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