ghostscript - Bugs: bug #65284, Interpeter does not exit/complete...

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bug #65284: Interpeter does not exit/complete or throw error with large number of dictionary keys when key is integertype

Submitter:	None
Submitted:	Fri 09 Feb 2024 09:28:36 PM UTC


Category:	postscript interpreter	Severity:	3 - Normal
Item Group:	None	Status:	None
Privacy:	Public	Assigned to:	None
Open/Closed:	Open

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Fri 09 Feb 2024 09:34:38 PM UTC, comment #1:

I am the original submitter. Sorry, I submitted and only after created an account.

Glen Newton <gnewton>

Fri 09 Feb 2024 09:28:36 PM UTC, original submission:

When a large number of entries are added to a dictionary, and the key is an integertype, the interpreter hangs at ~11,300,000 entries. It does not exit or throw an exception.
See attached minimal reproducible example: int_key.ps
Possible denial-of-service.

In contrast, when the key is a string, the same program (string_int.ps, attached) terminates with a /limitcheck error just over 1,000,000 entries.

Tested with GPL Ghostscript 9.55.0 (2021-09-27) on Linux 5.15.0-78-generic x86_64 Ubuntu 22.04.3 LTS

Anonymous

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

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ghostscript - Bugs: bug #65284, Interpeter does not exit/complete...

bug #65284: Interpeter does not exit/complete or throw error with large number of dictionary keys when key is integertype

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