This bug was fixed in the package wpebackend-fdo - 1.12.1-0ubuntu1

---------------
wpebackend-fdo (1.12.1-0ubuntu1) jammy; urgency=medium

  * New bugfix version (lp: #2015543)

 -- Sebastien Bacher <[email protected]>  Fri, 07 Apr 2023 11:50:27
+0200

** Changed in: wpebackend-fdo (Ubuntu Jammy)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/2015543

Title:
  Update to the upstream 1.12.1 bugfix version

Status in wpebackend-fdo package in Ubuntu:
  Fix Released
Status in wpebackend-fdo source package in Jammy:
  Fix Released

Bug description:
  * Impact

  The update fixes memory handling issues which could potential have
  security implication. It was requested by the MIR team on
  https://bugs.launchpad.net/ubuntu/+source/wpebackend-
  fdo/+bug/1973033/comments/11 as we need to promote the package for
  incoming webkitgtk security updates

  Fedora issues an update on similar concern
  https://bodhi.fedoraproject.org/updates/FEDORA-2022-f98ab9f311

  * Testcase

  Unfortunately it's not easy to test wpebackend-fdo since the project
  has no tests nor demo utility. The backend is used mostly by webkitgtk
  but the current archive version is built without that option. It is a
  requirement for newer webkitgtk series though and such for incoming
  security update (since newer webkitgtk series are rolled out as
  security updates)

  * Regression potential

  The changes are small fixes for memory management issues but if those
  were wrong then it could lead to rendering issues or crashes in
  webkitgtk clients once webkitgtk is build with libwpe.

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