There is a vulnerability in Apache Traffic Server (ATS) 6.2.0 and prior and 7.0.0 and prior with the Host header and line folding. This can have issues when interacting with upstream proxies and the wrong host being used.
https://www.debian.org/security/2018/dsa-4128
https://lists.apache.org/thread.html/22d84783d94c53a5132ec89f002fe5165c87561a9428bcb6713b3c98%40%3Cdev.trafficserver.apache.org%3E
https://euvd.enisa.europa.eu/vulnerability/EUVD-2017-14740
Source: Mitre, NVD
Published: 2018-02-27
Updated: 2026-06-17
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 8.6
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Severity: High
EPSS: 0.02584