Resource exhaustion in Calico Typha
CVE-2023-41378
In certain conditions for Calico Typha (v3.26.2, v3.25.1 and below), and Calico Enterprise Typha (v3.17.1, v3.16.3, v3.15.3 and below), a client TLS handshake can block the Calico Typha server indefinitely, resulting in denial of service…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.007 (49.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Calico Typha — versions v3.26.0, 0
- Tigera Calico_cloud
- Tigera Calico_enterprise
- Tigera Calico_os
- Tigera Typha — versions v3.17.0, v3.16.0, 0
Weakness classification (CWE)
References
- psirt@tigera.io (release-notes, vendor-advisory, Vendor Advisory)
- psirt@tigera.io (issue-tracking, Issue Tracking)
- psirt@tigera.io (Patch, patch, Issue Tracking)
Frequently asked questions
- What is CVE-2023-41378?
- CVE-2023-41378 is a high-severity vulnerability in Calico Typha, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-11-06.
- How severe is CVE-2023-41378?
- High severity. CVSS v3 base score is 7.5 out of 10.