[Bug 2060143] [NEW] FFe: Move fwupd to zstd instead of xz

[Mario Limonciello]

Public bug reported:

Fwupd 1.9.16 and libxmlb 0.3.16 have added support to get metadata from
LVFS using ZSTD format instead of of XZ format.

In light of CVE-2024-3094 and Ubuntu 24.04 being an LTS I wanted to
discuss considering an upgrade to libxmlb 0.3.16 and fwupd 1.9.16 to
make fwupd not use xz by default.

** Affects: fwupd (Ubuntu)
     Importance: Undecided
     Assignee: Mario Limonciello (superm1)
         Status: Confirmed

** Affects: libxmlb (Ubuntu)
     Importance: Undecided
     Assignee: Mario Limonciello (superm1)
         Status: Confirmed

** Also affects: libxmlb (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/2060143

Title:
  FFe: Move fwupd to zstd instead of xz

Status in fwupd package in Ubuntu:
  Confirmed
Status in libxmlb package in Ubuntu:
  Confirmed

Bug description:
  Fwupd 1.9.16 and libxmlb 0.3.16 have added support to get metadata
  from LVFS using ZSTD format instead of of XZ format.

  In light of CVE-2024-3094 and Ubuntu 24.04 being an LTS I wanted to
  discuss considering an upgrade to libxmlb 0.3.16 and fwupd 1.9.16 to
  make fwupd not use xz by default.

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