Buffer under-read vulnerability in Apache Tomcat meant that a large non-blocking write could result in the response body being split between the current request and the next request received on that connection leading most likely to failure of the second request and possibly leakage of data from the first response to the second. This issue affects Apache Tomcat: from 11.0.0-M25 through 11.0.26. Users are recommended to upgrade to version 11.0.27, which fixes the issue.
Apache Tomcat has fixed eight security flaws that could let attackers bypass password checks, expose data between users, and disrupt connections under specific conditions. Apache disclosed the vulnerabilities on October 20, 2026, after releasing fixes in Tomcat 11.0.27, 10.1.61, and 9.0.123. The eight issues span different release branches, so not every flaw affects every version. Apache rates…
Posted by Mark Thomas on Oct 20 Severity: important Affected versions: - Apache Tomcat 11.0.0-M25 through 11.0.26 Description: Buffer under-read vulnerability in Apache Tomcat meant that a large non-blocking write could result in the response body being split between the current request and the next request received on that connection leading most likely to failure of the second request and…
Apache disclosed eight vulnerabilities in Tomcat, including authentication bypass , cross-user data exposure, insecure socket access, and cryptographic configuration failures. Of these, three are rated Important, and five are rated Low. Fixes are available in Tomcat versions 11.0.27, 10.1.61, and 9.0.123, depending on the affected version branch. These vulnerabilities affect specific components…