bugGNU troff - Bugs: bug #46470, Global out of bounds read in troff...


bug #46470: Global out of bounds read in troff in function make_glyph_node

Submitted by:  Hanno Boeck <hanno>
Submitted on:  Wed 18 Nov 2015 09:34:42 AM UTC  
Category: CoreSeverity: 3 - Normal
Item Group: Incorrect behaviourStatus: None
Privacy: PublicAssigned to: None
Open/Closed: OpenPlanned Release: None

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Wed 18 Nov 2015 09:34:42 AM UTC, original submission:

The attached file will cause a global out of bounds read in the troff tool. This can be seen with address sanitizer (-fsanitize=address in cflags).

The file consists just of two bytes ("\("). This was found with american fuzzy lop.

I'll also attach the full address sanitizer stack trace.

Hanno Boeck <hanno>


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

Attach File(s):

Attached Files
file #35490:  troff-global-oob added by hanno (2B - application/octet-stream)
file #35491:  troff-asan-error.txt added by hanno (3KiB - text/plain)


Depends on the following items: None found

Items that depend on this one: None found


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  • -email is unavailable- added by bgarrigues (Updated the item)
  • -email is unavailable- added by hanno (Submitted the item)

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    Follow 4 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Fri 01 Sep 2017 07:48:26 PM UTCbgarriguesCategoryNone=>Core
      Item GroupNone=>Incorrect behaviour
    Wed 18 Nov 2015 09:34:42 AM UTChannoAttached File-=>Added troff-global-oob, #35490
      Attached File-=>Added troff-asan-error.txt, #35491

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