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High DSA-5381-1 3 CVEs

tomcat9 - security update

Published Apr 5, 2023 · Updated Mar 9, 2026

Fixed packages 1

ReleasePackageFixed in
Debian · 11 tomcat9 9.0.43-2~deb11u6

Vulnerabilities 3

  • High 7.5

    Apache Tomcat request smuggling via malformed content-length

    If Apache Tomcat 8.5.0 to 8.5.82, 9.0.0-M1 to 9.0.67, 10.0.0-M1 to 10.0.26 or 10.1.0-M1 to 10.1.0 was configured to ignore invalid HTTP headers via setting rejectIllegalHeader to false (the default for 8.5.x only), Tomcat did not reject a request containing a…

  • High 7.5

    Apache Tomcat: JsonErrorReportValve escaping

    The JsonErrorReportValve in Apache Tomcat 8.5.83, 9.0.40 to 9.0.68 and 10.1.0-M1 to 10.1.1 did not escape the type, message or description values. In some circumstances these are constructed from user provided data and it was therefore possible for users to s…

  • Medium 4.3

    Apache Tomcat: JSESSIONID Cookie missing secure attribute in some configurations

    When using the RemoteIpFilter with requests received from a reverse proxy via HTTP that include the X-Forwarded-Proto header set to https, session cookies created by Apache Tomcat 11.0.0-M1 to 11.0.0.-M2, 10.1.0-M1 to 10.1.5, 9.0.0-M1 to 9.0.71 and 8.5.0 to 8…