CVE-2015-4200

Memory leak in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine (PRE) module on UBR devices allows remote attackers to cause a denial of service (memory consumption) by triggering an error during CPE negotiation, aka Bug ID CSCug00885.

• CWE-399

• http://tools.cisco.com/security/center/viewAlert.x?alertId=39424Vendor Advisory
• http://www.securityfocus.com/bid/75254Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1032692Third Party Advisory, VDB Entry
• http://tools.cisco.com/security/center/viewAlert.x?alertId=39424Vendor Advisory
• http://www.securityfocus.com/bid/75254Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1032692Third Party Advisory, VDB Entry

Published

Jun 23, 2015

Last Modified

Jun 17, 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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