CVE-2021-40226: May be new stack-overflow bugs in pdftopng of xpdf4.03

minipython

Posts: 7

Joined: Tue Aug 17, 2021 3:35 am

May be new stack-overflow bugs in pdftopng of xpdf4.03

English is not my native language,please excuse typing errors.
Here are some error messages in gdb.

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Syntax Error (3302): Inline image dictionary key must be a name object
Syntax Error (3302): Inline image dictionary key must be a name object
Syntax Error (3302): Inline image dictionary key must be a name object
Syntax Error (3302): Inline image dictionary key must be a name object

.

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Syntax Error (2922): Illegal character <6e> in hex string
Syntax Error (2923): Illegal character <25> in hex string
Syntax Error (2924): Illegal character <50> in hex string
Syntax Error (2927): Illegal character <2d> in hex string
Syntax Error (2929): Illegal character <2e> in hex string
Syntax Error (2938): Illegal character <6f> in hex string

In my attachements,i add a zip include gdb info,asan info and trigger crash files.

Attachments

pdftopng_information.zip

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