CVE-2023-34981
tomcat: response headers from the previous request leading to an information leak
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 21, 2023
Updated · August 9, 2026
Description
A flaw was found in Tomcat. If a response did not have any HTTP headers set, no AJP SEND_HEADERS message would be sent, resulting in at least one AJP based proxy (mod_proxy_ajp) using the response headers from the previous request for the current request, leading to an information leak. The information leaked may give a user sensitive information which is uncontrolled.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor