Crash when signing some PDFs 2

[Arzaroth]

Hello there,

We've encountered another crash when signing some PDFs.

Here is the callstack :

[15-Oct-2025 12:10:14 Europe/Paris] PHP Fatal error:  Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, false given in /app/project/vendor/ddn/sapp/src/PDFDoc.php:99
Stack trace:
#0 /app/project/vendor/ddn/sapp/src/PDFDoc.php(99): count()
#1 /app/project/vendor/ddn/sapp/src/PDFDoc.php(1209): ddn\sapp\PDFDoc->get_page_count()
#2 /app/project/src/Utils/PdfSigner.php(64): ddn\sapp\PDFDoc->sign_document()
#3 /app/project/src/Helpers/GED/DigigtalSignatureHelper.php(115): Axxone\Utils\PdfSigner->sign()
#4 /app/project/src/Controllers/GED/UploadHandler.php(982): Axxone\Helpers\GED\DigigtalSignatureHelper->sign_document()
#5 [internal function]: Axxone\Controllers\GED\UploadHandler->sign_document()
#6 /app/project/src/Controllers/AbstractRequestHandler.php(215): ReflectionMethod->invokeArgs()
#7 /app/project/src/Controllers/AbstractRequestHandler.php(87): Axxone\Controllers\AbstractRequestHandler->_reflection_call()
#8 /app/project/src/Controllers/GED/UploadHandler.php(55): Axxone\Controllers\AbstractRequestHandler->Axxone\Controllers\{closure}()
#9 /app/project/src/Controllers/AbstractRequestHandler.php(138): Axxone\Controllers\GED\UploadHandler->Axxone\Controllers\GED\{closure}()
#10 /app/project/src/Controllers/AbstractRequestHandler.php(112): Axxone\Controllers\AbstractRequestHandler->Axxone\Controllers\{closure}()
#11 /app/project/src/Controllers/Application.php(63): Axxone\Controllers\AbstractRequestHandler->handle_request()
#12 [internal function]: Axxone\Controllers\Application->Axxone\Controllers\{closure}()
#13 /app/project/vendor/php-di/invoker/src/Invoker.php(74): call_user_func_array()
#14 /app/project/vendor/php-di/php-di/src/Container.php(245): Invoker\Invoker->call()
#15 /app/project/src/Controllers/BaseApplication.php(57): DI\Container->call()
#16 /app/project/src/Controllers/BaseApplication.php(87): Axxone\Controllers\BaseApplication->__serve()
#17 /app/project/public/GED/src-ged_upload.php(17): Axxone\Controllers\BaseApplication->serve()
#18 {main}
  thrown in /app/project/vendor/ddn/sapp/src/PDFDoc.php on line 99

I have been allowed to provide an example PDF :

0001_E_NT_CVC_DOE_16432_A_Fiches d'essais Pompes CDE.pdf

I don't know how those where generated.

[parallels999]

+1

[erikn69]

Hi try (both at the same time)

• Fix ObjStm index parsing by using whitespace-tolerant splitting #121
• Fix invalid stream ending #120