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Cisco Secure Firewall Adaptive Security Appliance (ASA) Software

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high advisory

Cisco IKEv2 Memory Leak Vulnerability (CVE-2026-20012)

CVE-2026-20012 is a vulnerability in the IKEv2 feature of multiple Cisco products that allows an unauthenticated remote attacker to cause a denial of service by sending crafted IKEv2 packets leading to memory exhaustion.

Cisco IOS Software +3 cve-2026-20012 denial-of-service cisco ikev2
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