[ubuntu/resolute-proposed] undertow 2.3.20-1ubuntu1 (Accepted)

[Marc Deslauriers]

undertow (2.3.20-1ubuntu1) resolute; urgency=medium

  * SECURITY UPDATE: user session takeover issue
    - debian/patches/CVE-2025-12543-1.patch: Add handler to scrutinize Host
      header in request. Fix IP regex patterns to have proper range and
      include embedded adr
    - debian/patches/CVE-2025-12543-2.patch: Add checks for empty Host
      header
    - CVE-2025-12543

Date: 2026-04-01 08:11:18.035007+00:00
Changed-By: Nishit Majithia <nishit.majithia at canonical.com>
Signed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
https://launchpad.net/ubuntu/+source/undertow/2.3.20-1ubuntu1
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