[Bug]: "Could not parse XML data: Entity: line 1: parser error" when "flatpak search"

[stairclimber]

Checklist

• [X] I agree to follow the Code of Conduct that this project adheres to.
• [X] I have searched the issue tracker for a bug that matches the one I want to file, without success.
• [X] If this is an issue with a particular app, I have tried filing it in the appropriate issue tracker for the app (e.g. under https://github.com/flathub/) and determined that it is an issue with Flatpak itself.
• [X] This issue is not a report of a security vulnerability (see here if you need to report a security issue).

Flatpak version

1.14.6

What Linux distribution are you using?

Ubuntu

Linux distribution version

24.04 LTS (Noble Numbat)

What architecture are you using?

x86_64

How to reproduce

1. flatpak search chrome
2. you can see the error message as shown below

: Could not parse XML data: Entity: line 1: parser error : Start tag expected, '<' not found
�
^

找不到匹配项

Expected Behavior

search successfully

Actual Behavior

there are some error while searching.

Additional Information

No response

[iconoclasthero]

$ which flatpak; type flatpak; \flatpak search haproxy; \flatpak --version
/usr/bin/flatpak
/bin/flatpak
flatpak is hashed (/usr/bin/flatpak)
F: Could not parse XML data: Entity: line 252224: parser error : Input is not proper UTF-8, indicate encoding !
Bytes: 0xF0 0xA7 0xB0 0x20
      <p>Cheese এ আপোনা
                                   ^
Entity: line 252225: parser error : Char 0x0 out of allowed range
ৰস্ট অৱস্থা0ব্
                                      ^
Entity: line 252225: parser error : PCDATA invalid Char value 0
ৰস্ট অৱস্থা0ব্
                                      ^
Entity: line 252225: parser error : PCDATA invalid Char value 16
Ц
  ^
Entity: line 252225: parser error : PCDATA invalid Char value 16
     <p.অভ্যনЧ
^
Entity: line 252225: parser error : error parsing attribute name
     <p.অভ্যনЧ
                          ^
Entity: line 252225: parser error : internal error: xmlParseStartTag: problem parsing attributes

     <p.অভ্যনЧ
                          ^
Entity: line 252225: parser error : Couldn't find end of Start Tag p.অভ্যনЧ�তৠীকතাৱে line 252225
     <p.অভ্যনЧ
                          ^
Entity: line 252225: parser error : EntityRef: expecting ';'
     <p.অভ্যনЧ
                          ^
Entity: line 252225: parser error : PCDATA invalid Char value 27
     <p.অভ্যনЧ
                          ^
Entity: line 252225: parser error : Char 0x0 out of allowed range
Ц
  ^
Entity: line 252225: parser error : PCDATA invalid Char value 0
Ц
  ^
Entity: line 252225: parser error : Char 0x0 out of allowed range
Ц
  ^
Entity: line 252225: parser error : PCDATA invalid Char value 0
Ц
  ^
Entity: line 252225: parser error : Opening and ending tag mismatch: description line 252223 and p
যৰ সৈতে অংশীদাৰী কৰিব পাৰিব।</p>
                                                                               ^
Entity: line 252226: parser error : Opening and ending tag mismatch: component line 252033 and description
    </description>
                  ^
Entity: line 252229: parser error : PCDATA invalid Char value 16
     <pCheese 
^
Entity: line 252229: parser error : Couldn't find end of Start Tag p line 252229
     <pCheese 
        ^
Entity: line 252229: parser error : PCDATA invalid Char value 30
     <pCheese 
        ^
Entity: line 252229: parser error : StartTag: invalid element name
годНа, і дзял
                       ^
Entity: line 252229: parser error : PCDATA invalid Char value 15
годНа, і дзял
                       ^
Entity: line 252229: parser error : PCDATA invalid Char value 28
    /descri@tion>
    ^
Entity: line 252231: parser error : Char 0x0 out of allowed range
специални ефекти към тях и да ги споделите с
                                                                               ^
Entity: line 252231: parser error : PCDATA invalid Char value 0
специални ефекти към тях и да ги споделите с
                                                                               ^
Entity: line 252232: parser error : Specification mandates value for attribute ре�има0
0     <p.С ре
                ^
Entity: line 252232: parser error : attributes construct error
0     <p.С ре
                ^
Entity: line 252232: parser error : Couldn't find end of Start Tag p.С line 252232
0     <p.С ре
                ^
Entity: line 252232: parser error : PCDATA invalid Char value 16
ояване, Ча да имате вр
                                       ^
Entity: line 252232: parser error : ParsePI: PI p space expected
ме да за
              ^
Entity: line 252233: parser error : Char 0x0 out of allowed range

    ^
Entity: line 252233: parser error : ParsePI: PI p never end ...

    ^
Entity: line 252233: parser error : Char 0x0 out of allowed range

    ^
Entity: line 252233: parser error : PCDATA invalid Char value 0

    ^
Entity: line 252233: parser error : Char 0x0 out of allowed range
Reamer За пр
                ^
Entity: line 252233: parser error : PCDATA invalid Char value 0
Reamer За пр
                ^
Entity: line 252233: parser error : StartTag: invalid element name
шните си любимци — въобще каквото0ви щ
                                                                      ^
Entity: line 252233: parser error : Char 0x0 out of allowed range

^
Entity: line 252233: parser error : PCDATA invalid Char value 0

^
Entity: line 252233: parser error : expected '>'

^
Entity: line 252233: parser error : Opening and ending tag mismatch: description line 252230 and deCcriptio

^
Entity: line 252235: parser error : Char 0x0 out of allowed range

  ^
Entity: line 252235: parser error : PCDATA invalid Char value 0

  ^
Entity: line 252235: parser error : PCDATA invalid Char value 16
 জন
       ^
Entity: line 252235: parser error : expected '>'
ল
      ^
Entity: line 252235: parser error : PCDATA invalid Char value 30
ল
      ^
Entity: line 253093: parser error : Opening and ending tag mismatch: description line 252227 and component
  </component><component type="desktop-application">
              ^

No matches found
Flatpak 1.14.10

Rhino Linux rolling release based on 
OS: Rhino Linux 2024.2 (server) x86_64 
Kernel: Linux 6.10.7-061007-generic