Threats Tagged 'ghsa-pc98-jj4f-x983'

CVE-2026-20271 is a high-severity vulnerability in Cisco IOS XE Software involving insufficient control flow management. This issue affects multiple specific versions of the software and can lead to a denial of service condition. The vulnerability does not impact confidentiality or integrity but can cause availability disruption. There are no known exploits in the wild at this time. Cisco has conducted an internal security review and released software hardening updates addressing this and other vulnerabilities.