Bug#926404: /usr/bin/pdfsig: pdfsig: segfaults with "couldn't find default Firefox Folder"

Bernhard √úbelacker bernhardu at mailbox.org
Tue Apr 16 08:37:28 BST 2019


Control: tags 924050 + upstream fixed-upstream patch


Dear Maintainer,

> Program received signal SIGSEGV, Segmentation fault.
> 0x00007ffff7321c84 in SECMOD_ReferenceModule () from /lib/x86_64-linux-gnu/libnss3.so
> #0  0x00007ffff7321c84 in SECMOD_ReferenceModule () from /lib/x86_64-linux-gnu/libnss3.so
> #1  0x00007ffff73221fc in ?? () from /lib/x86_64-linux-gnu/libnss3.so
> #2  0x00007ffff73222a0 in SECMOD_AddNewModuleEx () from /lib/x86_64-linux-gnu/libnss3.so
> #3  0x00007ffff7f01199 in SignatureHandler::SignatureHandler(unsigned char*, int) () from /lib/x86_64-linux-gnu/libpoppler.so.82
> #4  0x00007ffff7dfbb16 in FormFieldSignature::validateSignature(bool, bool, long) () from /lib/x86_64-linux-gnu/libpoppler.so.82
> #5  0x0000555555556a5d in main ()
> Detaching from program: /usr/bin/pdfsig, process 1002
> [Inferior 1 (process 1002) detached]


That looks quite similar to what I have received in #924050.
(Also the address offsets are the same.)
Therefore this issue should solvable by the patch attached to [1].
A poppler package built with that patch showed the
signature information successfully.
An upstream bug is also referenced there and information
how to reproduce.

Kind regards,
Bernhard

[1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=924050#10



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