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Cisco Bug: CSCul65003 - Vulnerability in Cisco IOS Zone Based Firewall

Last Modified

Mar 26, 2020

Products (1)

  • Cisco IOS

Known Affected Releases

15.4(1.12)T 15.4(1.19)T

Description (partial)

Symptom:
The Zone Based Firewall feature of Cisco IOS may cause a crash while forwarding packets.
Conditions:
Specific internal structures linked to the firewall session object used by the Zone Based Firewall feature were freed by mistake.
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