Invia #239227: itext7 itext7 8.0.2 out of memory

com.itextpdf.kernel.pdf.PdfReader - Out Of Memory Error occurred while reading cross reference table.

# Crash stack:
The crash thread's stack is as follows:

```
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
at java.base/java.util.Arrays.copyOf(Arrays.java:3720)
at java.base/java.util.Arrays.copyOf(Arrays.java:3689)
at java.base/java.util.ArrayList.grow(ArrayList.java:238)
at java.base/java.util.ArrayList.grow(ArrayList.java:243)
at java.base/java.util.ArrayList.add(ArrayList.java:486)
at java.base/java.util.ArrayList.add(ArrayList.java:499)
at com.itextpdf.kernel.pdf.PdfPagesTree.<init>(PdfPagesTree.java:91)
at com.itextpdf.kernel.pdf.PdfCatalog.<init>(PdfCatalog.java:125)
at com.itextpdf.kernel.pdf.PdfDocument.open(PdfDocument.java:1958)
at com.itextpdf.kernel.pdf.PdfDocument.<init>(PdfDocument.java:259)
at com.itextpdf.kernel.pdf.PdfDocument.<init>(PdfDocument.java:241)
at com.test.Entry.main(Entry.java:30)
```

# Steps to reproduce:

1. Build the following java code with the corresponding itextpdf library. Please note that the version of iText7 used in our reproduction environment is 7.0.12, but the error was discovered in version 8.0.2. We did not modify the version because we wanted to report the error as soon as possible. You can update the version of the reproduction environment to the latest one for verification.

```
## Download reproduce files from https://drive.google.com/drive/folders/1VbAXvpNWGGigLgQJA-4D5XRv8rHMMAut?usp=sharing
cd itext7_env_reproduce
bash build.sh
```

2. Run the built program to see the crash by feeding the poc file from https://drive.google.com/file/d/1_jeD7SvuliKc_02pPTPbfSnqAErzmFny/view?usp=sharing

```
java -jar target/Entry-1.0-SNAPSHOT-jar-with-dependencies.jar /poc/OutOfMemoryError-4fa24c63008cf0716e08a6447278e65274c9c4a8
```

• Fonte: ⚠️ https://drive.google.com/file/d/1_jeD7SvuliKc_02pPTPbfSnqAErzmFny/view?usp=sharing
• Utente: Anonymous User
• Sottomissione: 16/11/2023 03:39 (3 anni fa)
• Moderazione: 26/11/2023 08:28 (10 days later)
• Stato: Accettato
• Voce VulDB: 246125 [Apryse iText 8.0.1 Reference Table PdfDocument.java negazione del servizio]
• Punti: 20