[ubuntu/questing-security] tomcat9 9.0.95-1ubuntu1.1 (Accepted)

[Vyom Yadav]

tomcat9 (9.0.95-1ubuntu1.1) questing-security; urgency=medium

  * SECURITY UPDATE: denial of service via unbounded WebDAV request body
    - debian/patches/CVE-2026-41284.patch: add BoundedByteArrayOutputStream
      to limit LOCK and PROPFIND request body size
    - CVE-2026-41284
  * SECURITY UPDATE: HTTP/2 header field validation bypass
    - debian/patches/CVE-2026-41293-pre.patch: add header validation
      infrastructure for HTTP/2 field names and values
    - debian/patches/CVE-2026-41293.patch: improve header field name and
      value validation in HpackDecoder and HPackHuffman
    - CVE-2026-41293
  * SECURITY UPDATE: exposure of HTTP auth header to unexpected hosts
    - debian/patches/CVE-2026-42498.patch: clear authentication headers
      after use and fix digest auth method handling
    - CVE-2026-42498
  * SECURITY UPDATE: authorization bypass via multiple method constraints
    - debian/patches/CVE-2026-43515.patch: check all matching
      SecurityCollection entries in RealmBase
    - CVE-2026-43515
  * SECURITY UPDATE: NullPointerException in digest authentication with
    invalid user
    - debian/patches/CVE-2026-43512.patch: add null check for password
      in RealmBase.getDigest()
    - CVE-2026-43512
  * SECURITY UPDATE: account lockout bypass via case-variant usernames
    - debian/patches/CVE-2026-43513.patch: normalize username case in
      LockOutRealm when caseSensitive is false
    - CVE-2026-43513

Date: 2026-06-09 18:11:51.519447+00:00
Changed-By: Vyom Yadav <vyom.yadav at canonical.com>
https://launchpad.net/ubuntu/+source/tomcat9/9.0.95-1ubuntu1.1
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