CVE-2009-5039

Memory leak in the gk_circuit_info_do_in_acf function in the H.323 implementation in Cisco IOS before 15.0(1)XA allows remote attackers to cause a denial of service (memory consumption) via a large number of calls over a long duration, as demonstrated by InterZone Clear Token (IZCT) test traffic, aka Bug ID CSCsz72535.

• CWE-772

• http://www.cisco.com/en/US/docs/ios/15_0/15_0x/15_01_XA/rn800xa.pdfRelease Notes, Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/64731Third Party Advisory, VDB Entry
• http://www.cisco.com/en/US/docs/ios/15_0/15_0x/15_01_XA/rn800xa.pdfRelease Notes, Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/64731Third 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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