CISCO-SA-IOSXE-TLS-DOS-TVGLDEZL: Cisco IOS XE Software TLS Memory Exhaustion Denial of Service Vulnerability

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PublisherCisco

Article IDCISCO-SA-IOSXE-TLS-DOS-TVGLDEZL

Verified snapshot28 Sept 2026, 20:28 UTC

Linked CVEs1

Linked CVE reports

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CVE-2026-20004A vulnerability in the TLS library of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to exhaust the available memory of an affected device

Source and provenance

Original title: Cisco IOS XE Software TLS Memory Exhaustion Denial of Service Vulnerability. Captured 28 Sept 2026, 20:28 UTC. The stored article is used for enrichment and change detection; BlackTree does not republish the publisher's full text here.

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